Title: mathula25's Replies | WordPress.org --- # mathula25 [ ](https://wordpress.org/support/users/mathula25/) * [Profile](https://wordpress.org/support/users/mathula25/) * [Topics Started](https://wordpress.org/support/users/mathula25/topics/) * [Replies Created](https://wordpress.org/support/users/mathula25/replies/) * [Reviews Written](https://wordpress.org/support/users/mathula25/reviews/) * [Topics Replied To](https://wordpress.org/support/users/mathula25/replied-to/) * [Engagements](https://wordpress.org/support/users/mathula25/engagements/) * [Favorites](https://wordpress.org/support/users/mathula25/favorites/) Search replies: ## Forum Replies Created Viewing 3 replies - 1 through 3 (of 3 total) * Forum: [Plugins](https://wordpress.org/support/forum/plugins-and-hacks/) In reply to: [[Classic Editor] Strange behaviour after upgrade to WP 5.3](https://wordpress.org/support/topic/strange-behaviour-after-upgrade-to-wp-5-3/) * [mathula25](https://wordpress.org/support/users/mathula25/) * (@mathula25) * [6 years, 6 months ago](https://wordpress.org/support/topic/strange-behaviour-after-upgrade-to-wp-5-3/#post-12135366) * chrome errors * Unchecked runtime.lastError: The message port closed before a response was received. plugin.min.js:1 Deprecated TinyMCE API call: .onNodeChange.add(..) ?v =2.0:6 WebSocket connection to ‘wss://public-api.wordpress.com/pinghub/wpcom/ me/newest-note-data’ failed: Error during WebSocket handshake: Unexpected response code: 403 v @ ?v=2.0:6 D @ ?v=2.0:6 o @ ?v=2.0:6 backbone.min.js:1 Uncaught TypeError: Cannot convert undefined or null to object at g.cleanup (backbone.min.js:1) at g.off (backbone.min.js:1) at r (backbone.min.js:1) at l (backbone.min.js:1) at h.Collection.n.off (backbone.min.js:1) at i. [as off] (media-views. min.js:1) at i.dispose (media-views.min.js:1) at i.dispose (media-views.min.js: 1) at i.remove (media-views.min.js:1) at underscore.min.js:1 g.cleanup @ backbone. min.js:1 g.off @ backbone.min.js:1 r @ backbone.min.js:1 l @ backbone.min.js: 1 n.off @ backbone.min.js:1 i. @ media-views.min.js:1 dispose @ media- views.min.js:1 dispose @ media-views.min.js:1 remove @ media-views.min.js:1 ( anonymous) @ underscore.min.js:1 v.map.v.collect @ underscore.min.js:1 v.invoke @ underscore.min.js:1 remove @ wp-backbone.min.js:1 remove @ wp-backbone.min. js:1 remove @ media-views.min.js:1 (anonymous) @ wp-backbone.min.js:1 v.each. v.forEach @ underscore.min.js:1 set @ wp-backbone.min.js:1 set @ media-views. min.js:1 uploadContent @ media-views.min.js:1 p @ backbone.min.js:1 f @ backbone. min.js:1 l @ backbone.min.js:1 n.trigger @ backbone.min.js:1 i. @ media- views.min.js:1 trigger @ media-views.min.js:1 render @ media-views.min.js:1 mode @ media-views.min.js:1 click @ media-views.min.js:1 _click @ media-views.min. js:1 dispatch @ jquery.js:3 r.handle @ jquery.js:3 Show 2 more frames 2?v=2.0: 6 WebSocket connection to ‘wss://public-api.wordpress.com/pinghub/wpcom/me/newest- note-data’ failed: Error during WebSocket handshake: Unexpected response code: 403 v @ ?v=2.0:6 D @ ?v=2.0:6 o @ ?v=2.0:6 * Forum: [Plugins](https://wordpress.org/support/forum/plugins-and-hacks/) In reply to: [[Classic Editor] can’t upload images from post wordpress 5.3](https://wordpress.org/support/topic/cant-upload-images-from-post/) * [mathula25](https://wordpress.org/support/users/mathula25/) * (@mathula25) * [6 years, 6 months ago](https://wordpress.org/support/topic/cant-upload-images-from-post/#post-12133782) * No it is not about the cache issue. When I try to upload media without the classic editor installed on another website. It is working fine and when I installed classic editor and try to upload it didn’t working. And I also checked in private window and in also in different browsers and different devices. * Forum: [Plugins](https://wordpress.org/support/forum/plugins-and-hacks/) In reply to: [[Classic Editor] can’t upload images from post wordpress 5.3](https://wordpress.org/support/topic/cant-upload-images-from-post/) * [mathula25](https://wordpress.org/support/users/mathula25/) * (@mathula25) * [6 years, 6 months ago](https://wordpress.org/support/topic/cant-upload-images-from-post/#post-12132798) * Hi, I am also facing the same issue Viewing 3 replies - 1 through 3 (of 3 total)