i treid some things now i have folowing error

error: Unable to initialize MongoDB! Is MongoDB installed? Error :Cannot find module 'connect-mongo'
9/1 03:56 [23336] - error: Error: Cannot find module 'connect-mongo'

i tried

npm i connect-mongo 

but that does not help

i had to run

./nodebb setup

before i can start nodebb again.

great, its working fine @Schamper