in reply to Peter Vágner

@Thunderbird: Free Your Inbox I have discovered this is not a bug but some kind of corruption in my thunderbird profile.
This is printed to the console while trying to send an email.
All the sqlite files in the profile folder have some content, none of them is corrupted according to sqlite3 pragma integrity_check; but I still can't figure it out.
NS_ERROR_FILE_CORRUPTED: Component returned failure code: 0x8052000b (NS_ERROR_FILE_CORRUPTED) [mozIStorageStatement.executeStep] SQLiteDirectory.sys.mjs:437
NS_ERROR_FILE_CORRUPTED: Component returned failure code: 0x8052000b (NS_ERROR_FILE_CORRUPTED) [mozIStorageStatement.executeStep] SQLiteDirectory.sys.mjs:437
GenericSendMessage FAILED: [Exception... "Component returned failure code: 0x8052000b (NS_ERROR_FILE_CORRUPTED) [mozIStorageStatement.executeStep]"  nsresult: "0x8052000b (NS_ERROR_FILE_CORRUPTED)"  location: "JS frame :: resource:///modules/SQLiteDirectory.sys.mjs :: getCardFromProperty :: line 437"  data: no] MsgComposeCommands.js:6452:13
NS_ERROR_FILE_CORRUPTED: Component returned failure code: 0x8052000b (NS_ERROR_FILE_CORRUPTED) [mozIStorageStatement.executeStep]
    getCardFromProperty resource:///modules/SQLiteDirectory.sys.mjs:437
    cardForEmailAddress resource:///modules/AddrBookDirectory.sys.mjs:470
    book resource:///modules/AddressCollector.sys.mjs:40
    collectSingleAddress resource:///modules/AddressCollector.sys.mjs:40
    _collectAddressesToAddressBook resource:///modules/MessageSend.sys.mjs:1275
    _deliverAsMail resource:///modules/MessageSend.sys.mjs:1183
    _deliverMessage resource:///modules/MessageSend.sys.mjs:860
MsgComposeCommands.js:6363:13