@baris
New error, hope it's okay:
4. Updating NodeBB data store schema...
Parsing upgrade scripts...
2018-11-30T15:21:24.425Z [24448] - warn: [upgrade/appendPluginScripts] Unable to read plugin.json for plugin `nodebb-plugin-import-smf-1`. Skipping.
OK | 1 script(s) found, 67 skipped
→ [2019/1/26] Changing dbsearch mongodb search schema to use _id...
2018-11-30T15:21:24.509Z [24448] - error: ns not found
MongoError: ns not found
at /var/srv/nodebb/node_modules/mongodb/node_modules/mongodb-core/lib/connection/pool.js:581:63
at authenticateStragglers (/var/srv/nodebb/node_modules/mongodb/node_modules/mongodb-core/lib/connection/pool.js:504:16)
at Connection.messageHandler (/var/srv/nodebb/node_modules/mongodb/node_modules/mongodb-core/lib/connection/pool.js:540:5)
at emitMessageHandler (/var/srv/nodebb/node_modules/mongodb/node_modules/mongodb-core/lib/connection/connection.js:310:10)
at Socket.<anonymous> (/var/srv/nodebb/node_modules/mongodb/node_modules/mongodb-core/lib/connection/connection.js:453:17)
at emitOne (events.js:116:13)
at Socket.emit (events.js:211:7)
at addChunk (_stream_readable.js:263:12)
at readableAddChunk (_stream_readable.js:250:11)
at Socket.Readable.push (_stream_readable.js:208:10) {"ok":0,"errmsg":"ns not found","code":26,"codeName":"NamespaceNotFound","name":"MongoError"}
2018-11-30T15:21:24.512Z [24448] - error: ns not found
MongoError: ns not found
at /var/srv/nodebb/node_modules/mongodb/node_modules/mongodb-core/lib/connection/pool.js:581:63
at authenticateStragglers (/var/srv/nodebb/node_modules/mongodb/node_modules/mongodb-core/lib/connection/pool.js:504:16)
at Connection.messageHandler (/var/srv/nodebb/node_modules/mongodb/node_modules/mongodb-core/lib/connection/pool.js:540:5)
at emitMessageHandler (/var/srv/nodebb/node_modules/mongodb/node_modules/mongodb-core/lib/connection/connection.js:310:10)
at Socket.<anonymous> (/var/srv/nodebb/node_modules/mongodb/node_modules/mongodb-core/lib/connection/connection.js:453:17)
at emitOne (events.js:116:13)
at Socket.emit (events.js:211:7)
at addChunk (_stream_readable.js:263:12)
at readableAddChunk (_stream_readable.js:250:11)
at Socket.Readable.push (_stream_readable.js:208:10) {"ok":0,"errmsg":"ns not found","code":26,"codeName":"NamespaceNotFound","name":"MongoError"}
Thanks for the help BTW.