diff --git a/backend/src/app/rpc.clj b/backend/src/app/rpc.clj
index 08ccd8cdb5..2f999a08ea 100644
--- a/backend/src/app/rpc.clj
+++ b/backend/src/app/rpc.clj
@@ -149,9 +149,11 @@
         (let [params (decode params)]
           (if (validate params)
             (f cfg params)
-            (ex/raise :type :validation
-                      :code :params-validation
-                      ::sm/explain (explain params))))))
+
+            (let [params (d/without-qualified params)]
+              (ex/raise :type :validation
+                        :code :params-validation
+                        ::sm/explain (explain params)))))))
     f))
 
 (defn- wrap-output-validation
diff --git a/backend/src/app/rpc/commands/files_update.clj b/backend/src/app/rpc/commands/files_update.clj
index fade957e03..cd7436742e 100644
--- a/backend/src/app/rpc/commands/files_update.clj
+++ b/backend/src/app/rpc/commands/files_update.clj
@@ -42,30 +42,28 @@
 
 (def ^:private
   schema:update-file
-  (sm/define
-    [:map {:title "update-file"}
-     [:id ::sm/uuid]
-     [:session-id ::sm/uuid]
-     [:revn {:min 0} :int]
-     [:features {:optional true} ::cfeat/features]
-     [:changes {:optional true} [:vector ::cpc/change]]
-     [:changes-with-metadata {:optional true}
-      [:vector [:map
-                [:changes [:vector ::cpc/change]]
-                [:hint-origin {:optional true} :keyword]
-                [:hint-events {:optional true} [:vector :string]]]]]
-     [:skip-validate {:optional true} :boolean]]))
+  [:map {:title "update-file"}
+   [:id ::sm/uuid]
+   [:session-id ::sm/uuid]
+   [:revn {:min 0} :int]
+   [:features {:optional true} ::cfeat/features]
+   [:changes {:optional true} [:vector ::cpc/change]]
+   [:changes-with-metadata {:optional true}
+    [:vector [:map
+              [:changes [:vector ::cpc/change]]
+              [:hint-origin {:optional true} :keyword]
+              [:hint-events {:optional true} [:vector :string]]]]]
+   [:skip-validate {:optional true} :boolean]])
 
 (def ^:private
   schema:update-file-result
-  (sm/define
-    [:vector {:title "update-file-result"}
-     [:map
-      [:changes [:vector ::cpc/change]]
-      [:file-id ::sm/uuid]
-      [:id ::sm/uuid]
-      [:revn {:min 0} :int]
-      [:session-id ::sm/uuid]]]))
+  [:vector {:title "update-file-result"}
+   [:map
+    [:changes [:vector ::cpc/change]]
+    [:file-id ::sm/uuid]
+    [:id ::sm/uuid]
+    [:revn {:min 0} :int]
+    [:session-id ::sm/uuid]]])
 
 ;; --- HELPERS
 
@@ -73,14 +71,26 @@
 ;; to all clients using it.
 
 (def ^:private library-change-types
-  #{:add-color :mod-color :del-color
-    :add-media :mod-media :del-media
-    :add-component :mod-component :del-component :restore-component
-    :add-typography :mod-typography :del-typography})
+  #{:add-color
+    :mod-color
+    :del-color
+    :add-media
+    :mod-media
+    :del-media
+    :add-component
+    :mod-component
+    :del-component
+    :restore-component
+    :add-typography
+    :mod-typography
+    :del-typography})
 
 (def ^:private file-change-types
-  #{:add-obj :mod-obj :del-obj
-    :reg-objects :mov-objects})
+  #{:add-obj
+    :mod-obj
+    :del-obj
+    :reg-objects
+    :mov-objects})
 
 (defn- library-change?
   [{:keys [type] :as change}]
diff --git a/backend/src/app/tasks/tasks_gc.clj b/backend/src/app/tasks/tasks_gc.clj
index 69dd11dfd7..77f1f92fa8 100644
--- a/backend/src/app/tasks/tasks_gc.clj
+++ b/backend/src/app/tasks/tasks_gc.clj
@@ -16,8 +16,7 @@
 
 (def ^:private
   sql:delete-completed-tasks
-  "delete from task_completed
-    where scheduled_at < now() - ?::interval")
+  "DELETE FROM task WHERE scheduled_at < now() - ?::interval")
 
 (defmethod ig/pre-init-spec ::handler [_]
   (s/keys :req [::db/pool]))
diff --git a/common/src/app/common/data.cljc b/common/src/app/common/data.cljc
index 958a3b9b08..bcfd556488 100644
--- a/common/src/app/common/data.cljc
+++ b/common/src/app/common/data.cljc
@@ -242,7 +242,12 @@
   ([]
    (remove (comp qualified-keyword? key)))
   ([data]
-   (into {} (without-qualified) data)))
+   (reduce-kv (fn [data k _]
+                (if (qualified-keyword? k)
+                  (dissoc data k)
+                  data))
+              data
+              data)))
 
 (defn without-keys
   "Return a map without the keys provided
diff --git a/common/src/app/common/media.cljc b/common/src/app/common/media.cljc
index 064f11fb2c..212d43f2a5 100644
--- a/common/src/app/common/media.cljc
+++ b/common/src/app/common/media.cljc
@@ -58,6 +58,7 @@
     "application/zip"    ".zip"
     "application/penpot" ".penpot"
     "application/pdf"    ".pdf"
+    "text/plain"         ".txt"
     nil))
 
 (s/def ::id uuid?)
diff --git a/frontend/src/app/main/data/workspace/persistence.cljs b/frontend/src/app/main/data/workspace/persistence.cljs
index 8cfc5a87f4..bcfc60b58a 100644
--- a/frontend/src/app/main/data/workspace/persistence.cljs
+++ b/frontend/src/app/main/data/workspace/persistence.cljs
@@ -16,7 +16,6 @@
    [app.main.features :as features]
    [app.main.repo :as rp]
    [app.main.store :as st]
-   [app.util.router :as rt]
    [app.util.time :as dt]
    [beicon.v2.core :as rx]
    [okulary.core :as l]
@@ -177,19 +176,11 @@
 
                              (rx/of (shapes-changes-persisted-finished))))))
              (rx/catch (fn [cause]
-                         (cond
-                           (= :authentication (:type cause))
-                           (rx/throw cause)
-
-                           (instance? js/TypeError cause)
+                         (if (instance? js/TypeError cause)
                            (->> (rx/timer 2000)
                                 (rx/map (fn [_]
                                           (persist-changes file-id file-revn changes pending-commits))))
-
-                           :else
-                           (rx/concat
-                            (rx/of (rt/assign-exception cause))
-                            (rx/throw cause))))))))))
+                           (rx/throw cause)))))))))
 
 ;; Event to be thrown after the changes have been persisted
 (defn shapes-changes-persisted-finished
diff --git a/frontend/src/app/main/errors.cljs b/frontend/src/app/main/errors.cljs
index ed0ad65980..2c70a31cd2 100644
--- a/frontend/src/app/main/errors.cljs
+++ b/frontend/src/app/main/errors.cljs
@@ -116,7 +116,6 @@
 
 (defmethod ptk/handle-error :validation
   [{:keys [code] :as error}]
-
   (print-group! "Validation Error"
                 (fn []
                   (print-data! error)
@@ -130,12 +129,7 @@
                   :timeout 3000})))
 
     :else
-    (let [message (tr "errors.generic-validation")]
-      (st/async-emit!
-       (msg/show {:content message
-                  :type :error
-                  :timeout 3000})))))
-
+    (st/async-emit! (rt/assign-exception error))))
 
 
 ;; This is a pure frontend error that can be caused by an active
@@ -256,12 +250,7 @@
 
 (defmethod ptk/handle-error :server-error
   [error]
-  (ts/schedule
-   #(st/emit!
-     (msg/show {:content "Something wrong has happened (on backend)."
-                :type :error
-                :timeout 3000})))
-
+  (st/async-emit! (rt/assign-exception error))
   (print-group! "Server Error"
                 (fn []
                   (print-data! (dissoc error :data))
diff --git a/frontend/src/app/main/repo.cljs b/frontend/src/app/main/repo.cljs
index 56a49dd586..ed71b827a5 100644
--- a/frontend/src/app/main/repo.cljs
+++ b/frontend/src/app/main/repo.cljs
@@ -23,28 +23,31 @@
     (rx/of nil)
 
     (= 502 status)
-    (rx/throw {:type :bad-gateway})
+    (rx/throw (ex-info "http error" {:type :bad-gateway}))
 
     (= 503 status)
-    (rx/throw {:type :service-unavailable})
+    (rx/throw (ex-info "http error" {:type :service-unavailable}))
 
     (= 0 (:status response))
-    (rx/throw {:type :offline})
+    (rx/throw (ex-info "http error" {:type :offline}))
 
     (= 200 status)
     (rx/of body)
 
     (= 413 status)
-    (rx/throw {:type :validation
-               :code :request-body-too-large})
+    (rx/throw (ex-info "http error"
+                       {:type :validation
+                        :code :request-body-too-large}))
 
     (and (>= status 400) (map? body))
-    (rx/throw body)
+    (rx/throw (ex-info "http error" body))
 
     :else
-    (rx/throw {:type :unexpected-error
+    (rx/throw
+     (ex-info "http error"
+              {:type :unexpected-error
                :status status
-               :data body})))
+               :data body}))))
 
 (def default-options
   {:update-file {:query-params [:id]}
diff --git a/frontend/src/app/main/store.cljs b/frontend/src/app/main/store.cljs
index 7c162d030d..7b02335e76 100644
--- a/frontend/src/app/main/store.cljs
+++ b/frontend/src/app/main/store.cljs
@@ -58,22 +58,22 @@
 
 (defonce last-events
   (let [buffer  (atom [])
-        allowed #{:app.main.data.workspace/initialize-page
-                  :app.main.data.workspace/finalize-page
-                  :app.main.data.workspace/initialize-file
-                  :app.main.data.workspace/finalize-file}]
+        omitset #{:potok.v2.core/undefined
+                  :app.main.data.workspace.persistence/update-persistence-status
+                  :app.main.data.websocket/send-message
+                  :app.main.data.workspace.notifications/handle-pointer-send
+                  :app.util.router/assign-exception}]
     (->> (rx/merge
           (->> stream
                (rx/filter (ptk/type? :app.main.data.workspace.changes/commit-changes))
-               (rx/map #(-> % deref :hint-origin str))
-               (rx/pipe (rxo/distinct-contiguous)))
-          (->> stream
-               (rx/map ptk/type)
-               (rx/filter #(contains? allowed %))
-               (rx/map str)))
+               (rx/map #(-> % deref :hint-origin)))
+          (rx/map ptk/type stream))
+         (rx/filter #(not (contains? omitset %)))
+         (rx/map str)
+         (rx/pipe (rxo/distinct-contiguous))
          (rx/scan (fn [buffer event]
                     (cond-> (conj buffer event)
-                      (> (count buffer) 20)
+                      (> (count buffer) 50)
                       (pop)))
                   #queue [])
          (rx/subs! #(reset! buffer (vec %))))
diff --git a/frontend/src/app/main/ui.cljs b/frontend/src/app/main/ui.cljs
index 08f714c3b7..68bd5d58af 100644
--- a/frontend/src/app/main/ui.cljs
+++ b/frontend/src/app/main/ui.cljs
@@ -128,12 +128,11 @@
              {:keys [file-id]} path-params]
          [:? {}
           (if (:token query-params)
-            [:> static/static-header {}
+            [:> static/error-container {}
              [:div.image i/unchain]
              [:div.main-message (tr "viewer.breaking-change.message")]
              [:div.desc-message (tr "viewer.breaking-change.description")]]
 
-
             [:& viewer-page
              {:page-id page-id
               :file-id file-id
diff --git a/frontend/src/app/main/ui/static.cljs b/frontend/src/app/main/ui/static.cljs
index e0f9a4581b..efac4c3c1b 100644
--- a/frontend/src/app/main/ui/static.cljs
+++ b/frontend/src/app/main/ui/static.cljs
@@ -7,19 +7,21 @@
 (ns app.main.ui.static
   (:require-macros [app.main.style :as stl])
   (:require
+   [app.common.data :as d]
+   [app.common.pprint :as pp]
    [app.main.store :as st]
    [app.main.ui.icons :as i]
+   [app.util.dom :as dom]
    [app.util.globals :as globals]
    [app.util.i18n :refer [tr]]
-   [app.util.object :as obj]
    [app.util.router :as rt]
+   [app.util.webapi :as wapi]
    [rumext.v2 :as mf]))
 
-(mf/defc static-header
+(mf/defc error-container
   {::mf/wrap-props false}
-  [props]
-  (let [children (obj/get props "children")
-        on-click (mf/use-callback #(set! (.-href globals/location) "/"))]
+  [{:keys [children]}]
+  (let [on-click (mf/use-callback #(set! (.-href globals/location) "/"))]
     [:section {:class (stl/css :exception-layout)}
      [:button
       {:class (stl/css :exception-header)
@@ -34,13 +36,13 @@
 
 (mf/defc invalid-token
   []
-  [:> static-header {}
+  [:> error-container {}
    [:div {:class (stl/css :main-message)} (tr "errors.invite-invalid")]
    [:div {:class (stl/css :desc-message)} (tr "errors.invite-invalid.info")]])
 
 (mf/defc not-found
   []
-  [:> static-header {}
+  [:> error-container {}
    [:div {:class (stl/css :main-message)} (tr "labels.not-found.main-message")]
    [:div {:class (stl/css :desc-message)} (tr "labels.not-found.desc-message")]])
 
@@ -49,7 +51,7 @@
   (let [handle-retry
         (mf/use-callback
          (fn [] (st/emit! (rt/assign-exception nil))))]
-    [:> static-header {}
+    [:> error-container {}
      [:div {:class (stl/css :main-message)} (tr "labels.bad-gateway.main-message")]
      [:div {:class (stl/css :desc-message)} (tr "labels.bad-gateway.desc-message")]
      [:div {:class (stl/css :sign-info)}
@@ -57,27 +59,88 @@
 
 (mf/defc service-unavailable
   []
-  (let [handle-retry
-        (mf/use-callback
-         (fn [] (st/emit! (rt/assign-exception nil))))]
-    [:> static-header {}
+  (let [on-click (mf/use-fn #(st/emit! (rt/assign-exception nil)))]
+    [:> error-container {}
      [:div {:class (stl/css :main-message)} (tr "labels.service-unavailable.main-message")]
      [:div {:class (stl/css :desc-message)} (tr "labels.service-unavailable.desc-message")]
      [:div {:class (stl/css :sign-info)}
-      [:button {:on-click handle-retry} (tr "labels.retry")]]]))
+      [:button {:on-click on-click} (tr "labels.retry")]]]))
+
+
+(defn generate-report
+  [data]
+  (let [team-id    (:current-team-id @st/state)
+        profile-id (:profile-id @st/state)
+
+        trace      (:app.main.errors/trace data)
+        instance   (:app.main.errors/instance data)
+        content    (with-out-str
+                     (println "Hint:   " (or (:hint data) (ex-message instance) "--"))
+                     (println "Prof ID:" (str (or profile-id "--")))
+                     (println "Team ID:" (str (or team-id "--")))
+
+                     (when-let [file-id (:file-id data)]
+                       (println "File ID:" (str file-id)))
+
+                     (println)
+
+                     (println "Data:")
+                     (loop [data data]
+                       (-> (d/without-qualified data)
+                           (dissoc :explain)
+                           (d/update-when :data (constantly "(...)"))
+                           (pp/pprint {:level 8 :length 10}))
+
+                       (println)
+
+                       (when-let [explain (:explain data)]
+                         (print explain))
+
+                       (when (and (= :server-error (:type data))
+                                  (contains? data :data))
+                         (recur (:data data))))
+
+                     (println "Trace:")
+                     (println trace)
+                     (println)
+
+                     (println "Last events:")
+                     (pp/pprint @st/last-events {:length 200})
+
+                     (println))]
+
+    (wapi/create-blob content "text/plain")))
+
 
 (mf/defc internal-error
-  []
-  (let [handle-retry
-        (mf/use-callback
-         (fn [] (st/emit! (rt/assign-exception nil))))]
-    [:> static-header {}
+  {::mf/props :obj}
+  [{:keys [data]}]
+  (let [on-click   (mf/use-fn #(st/emit! (rt/assign-exception nil)))
+        report-uri (mf/use-ref nil)
+
+        on-download
+        (mf/use-fn
+         (fn [event]
+           (dom/prevent-default event)
+           (when-let [uri (mf/ref-val report-uri)]
+             (dom/trigger-download-uri "report" "text/plain" uri))))]
+
+    (mf/with-effect [data]
+      (let [report (generate-report data)
+            uri    (wapi/create-uri report)]
+        (mf/set-ref-val! report-uri uri)
+        (fn []
+          (wapi/revoke-uri uri))))
+
+    [:> error-container {}
      [:div {:class (stl/css :main-message)} (tr "labels.internal-error.main-message")]
      [:div {:class (stl/css :desc-message)} (tr "labels.internal-error.desc-message")]
+     [:a {:on-click on-download} "Download report.txt"]
      [:div {:class (stl/css :sign-info)}
-      [:button {:on-click handle-retry} (tr "labels.retry")]]]))
+      [:button {:on-click on-click} (tr "labels.retry")]]]))
 
 (mf/defc exception-page
+  {::mf/props :obj}
   [{:keys [data] :as props}]
   (case (:type data)
     :not-found
@@ -89,4 +152,4 @@
     :service-unavailable
     [:& service-unavailable]
 
-    [:& internal-error]))
+    [:> internal-error props]))