Friend having SQlite error

[SubDaWoofer]

The error he has is as follows:
Blockland - BlockContainer::snapshotBuffer(2) - sqlite error 'database disk image is malformed'. Ensure that 'C:Program Files (x86)/Steam/steamapps/common/Blockland' is writeable
any help?

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[phflack]

is his blockland folder writable?
is his blockland\cache.db file writable?
what steps has he taken to try and fix the issue?