diff --git a/frontend/app/player/web/MessageManager.ts b/frontend/app/player/web/MessageManager.ts
index d37ac6fa5..38a28a0aa 100644
--- a/frontend/app/player/web/MessageManager.ts
+++ b/frontend/app/player/web/MessageManager.ts
@@ -221,7 +221,7 @@ export default class MessageManager {
         fileReader.append(b)
         const msgs: Array<Message> = []
         for (let msg = fileReader.readNext();msg !== null;msg = fileReader.readNext()) {
-          msgs.push(msg)
+          msg && msgs.push(msg)
         }
         const sorted = msgs.sort((m1, m2) => {
           // @ts-ignore
diff --git a/frontend/app/player/web/messages/RawMessageReader.gen.ts b/frontend/app/player/web/messages/RawMessageReader.gen.ts
index 135960cef..0ae41e9a4 100644
--- a/frontend/app/player/web/messages/RawMessageReader.gen.ts
+++ b/frontend/app/player/web/messages/RawMessageReader.gen.ts
@@ -800,8 +800,9 @@ export default class RawMessageReader extends PrimitiveReader {
     }
 
     default:
-      throw new Error(`Unrecognizable message type: ${ tp }; Pointer at the position ${this.p} of ${this.buf.length}`)
-      return null;
+      console.error(`Unrecognizable message type: ${ tp }; Pointer at the position ${this.p} of ${this.buf.length}`)
+      // skipping unrecognized messages
+      return false;
     }
   }
 }
diff --git a/mobs/templates/frontend~app~player~web~messages~RawMessageReader.gen.ts.erb b/mobs/templates/frontend~app~player~web~messages~RawMessageReader.gen.ts.erb
index 3c9268366..4b59b9d59 100644
--- a/mobs/templates/frontend~app~player~web~messages~RawMessageReader.gen.ts.erb
+++ b/mobs/templates/frontend~app~player~web~messages~RawMessageReader.gen.ts.erb
@@ -30,8 +30,9 @@ export default class RawMessageReader extends PrimitiveReader {
     }
 <% end %>
     default:
-      throw new Error(`Unrecognizable message type: ${ tp }; Pointer at the position ${this.p} of ${this.buf.length}`)
-      return null;
+      console.error(`Unrecognizable message type: ${ tp }; Pointer at the position ${this.p} of ${this.buf.length}`)
+      // skipping unrecognized messages
+      return false;
     }
   }
 }
diff --git a/tracker/tracker/CHANGELOG.md b/tracker/tracker/CHANGELOG.md
index e0ba20c30..a9f91b5c5 100644
--- a/tracker/tracker/CHANGELOG.md
+++ b/tracker/tracker/CHANGELOG.md
@@ -1,4 +1,4 @@
-# 5.0.2
+# 6.0.0
 
 - Capture mouse thrashing, input hesitation+duration, click hesitation
 - Capture DOM node drop event (>30% nodes removed)
diff --git a/tracker/tracker/package.json b/tracker/tracker/package.json
index 7ac8ba10f..a5f2b4ab4 100644
--- a/tracker/tracker/package.json
+++ b/tracker/tracker/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@openreplay/tracker",
   "description": "The OpenReplay tracker main package",
-  "version": "5.0.2",
+  "version": "6.0.0",
   "keywords": [
     "logging",
     "replay"