@manutremo OTA works in the following way,
send available firmware details(version, checksum, etc.,) to the node
If node thinks, it is a different sketch, it will request block by block.
MyController sends firmware block data(requested block)
@hoegaarden_bier Sorry for the inconvenience.
You have some of the options,
do restore of your last successful backup
share your corrupted database with me(I will try to fix it), I understand it is difficult to upload 9GB, If possible
Start from zero with the latest build.