Files tab broken

All the channels in 1 Teams suddenly give the following error:

Im owner of the Teams, the files are still in Sharepoint i think the link between teams and sharepoint is broken but no clue how to fix

https://preview.redd.it/u2u9d04vfdze1.png?width=1909&format=png&auto=webp&s=1f5b3893dd6e3ed4a0d8bd018a512ddb8ab3e6a7

This item might have been deleted, expired, or you might not have permission to view it. Contact the owner of this item for more information.