Released 2x An unexpected database error occurred. Please try again later. why this error occur and how to fix ?

[ShieldX]

preety strange forum was running and after 10-15 mins later when backup was restored successfully and forum was opening , after 10-15 min later this error automatically coming up.

 

[BattleKing]

check the log files of mysql and of your webserver, are there any entries?

 

[thomsa]

that error with mysql

• mysql not support
• not connect database
• not found database