nodebb crashed when openeing chats (chat with deleted user)

[Pappmann]

Hello,

nodebb is crashing when i access to the forum with mobile device an open the right sidebar, or desktop browser when opening chats, there is one chat with a deleted user.

following error:

  30/12 15:08 [21353] - error: TypeError: Cannot read property 'mergeId' of null
at /var/www/user_3/domain_37/nodebb/src/notifications.js:384:20
at Array.filter (native)
at /var/www/user_3/domain_37/nodebb/src/notifications.js:383:25
at Array.reduce (native)
at Object.Notifications.merge (/var/www/user_3/domain_37/nodebb/src/notifications.js:345:28)
at /var/www/user_3/domain_37/nodebb/src/user/notifications.js:96:19
at fn (/var/www/user_3/domain_37/nodebb/node_modules/async/lib/async.js:741:34)
at /var/www/user_3/domain_37/nodebb/node_modules/async/lib/async.js:1208:16
at /var/www/user_3/domain_37/nodebb/node_modules/async/lib/async.js:166:37
at /var/www/user_3/domain_37/nodebb/node_modules/async/lib/async.js:701:43
 TypeError: Cannot read property 'mergeId' of null
at /var/www/user_3/domain_37/nodebb/src/notifications.js:384:20
at Array.filter (native)
at /var/www/user_3/domain_37/nodebb/src/notifications.js:383:25
at Array.reduce (native)
at Object.Notifications.merge (/var/www/user_3/domain_37/nodebb/src/notifications.js:345:28)
at /var/www/user_3/domain_37/nodebb/src/user/notifications.js:96:19
at fn (/var/www/user_3/domain_37/nodebb/node_modules/async/lib/async.js:741:34)
at /var/www/user_3/domain_37/nodebb/node_modules/async/lib/async.js:1208:16
at /var/www/user_3/domain_37/nodebb/node_modules/async/lib/async.js:166:37
at /var/www/user_3/domain_37/nodebb/node_modules/async/lib/async.js:701:43
30/12 15:08 [21353] - info: [app] Shutdown (SIGTERM/SIGINT) Initialised.
30/12 15:08 [21353] - info: [app] Database connection closed.
30/12 15:08 [21353] - info: [app] Web server closed to connections.
30/12 15:08 [21353] - info: [app] Shutdown complete.

how i can fix this?

[baris]

What git revision are you on? This should be already fixed on master.

[Pappmann]

git version?

im using nodebb 0.9.3

there are different versions in 0.9.3?

I added some user in the chat with empty user, now it seems to work.

there is no posibilty to delete a whole chat.