Error can't create or write into the data directory

[Kawohl]

Can't create or write into the data directory / Can't write into config directory! / Data directory (/mnt/data) is invalid

Problem You're getting one of the following error message: Can't create or write into the data directory Can't write into config directory! Data directory (/mnt/data) is invalid (/mnt/data is an example here) Solutions The messages basically means that ownCloud can't access and write into the mentioned directories (as the messages are telling). There are a few issues which are showing up quite often: Missing permissions You have permission issues that the users which is running your…