在过去的十年里，我一直在使用雷鸟的Lightning日历，但本周日历文件(local.sqlite)不知何故被损坏了，我不能再用它来查看或添加新的事件。当然，我可以删除它并重新创建我所有的常设会议，但是：有什么建议可以修复这个文件，以便我可以像往常一样再次使用和查看它？
当我从命令行运行Thunderbird时，输出到终端的消息如下所示。我假设重要位可以是database disk image is malformed和/或NS_ERROR_FAILURE: error executing async statement。有什么建议吗？

chromepy:~> thunderbird &
[1] 47217
chromepy:~> [calBackendLoader] Using Thunderbird's libical backend
Extension error: Error while loading 'jar:file:///usr/lib/thunderbird/extensions/messagingmenu@mozilla.com.xpi!/manifest.json' (NS_ERROR_FILE_NOT_FOUND) resource://gre/modules/Extension.jsm:570 :: readJSON/</<@resource://gre/modules/Extension.jsm:570:20
onStopRequest@resource://gre/modules/NetUtil.jsm:128:18

Extension error: Error while loading 'jar:file:///usr/lib/thunderbird/omni.ja!/chrome/messenger/search-extensions/twitter/manifest.json' (NS_ERROR_FILE_NOT_FOUND) resource://gre/modules/Extension.jsm:570 :: readJSON/</<@resource://gre/modules/Extension.jsm:570:20
onStopRequest@resource://gre/modules/NetUtil.jsm:128:18

console.log: "Legacy WebExtension <excasel@nadelundhirn.de> has been disabled."
console.debug: "Successfully loaded OpenPGP library librnp.so version 0.14+git20210121.7c8492b4.MZLA from /usr/lib/thunderbird/librnp.so"
console.debug: "Found 0 public keys and 0 secret keys (0 protected, 0 unprotected)"
console.debug: "Successfully loaded optional OpenPGP library libgpgme.so.11 from system's standard library locations"
console.debug: "gpgme version: 1.13.1-unknown"
console.debug: "Trying to load /usr/lib/thunderbird/libotr.so.5"
console.debug: "Trying to load libotr.so.5 from system's standard library locations"
console.debug: "Successfully loaded OTR library libotr.so.5 from system's standard library locations"
console.warn: Lightning: {"result":11,"message":"database disk image is malformed","ERROR":1,"INTERNAL":2,"PERM":3,"ABORT":4,"BUSY":5,"LOCKED":6,"NOMEM":7,"READONLY":8,"INTERRUPT":9,"IOERR":10,"CORRUPT":11,"FULL":13,"CANTOPEN":14,"EMPTY":16,"SCHEMA":17,"TOOBIG":18,"CONSTRAINT":19,"MISMATCH":20,"MISUSE":21,"NOLFS":22,"AUTH":23,"FORMAT":24,"RANGE":25,"NOTADB":26}
JavaScript error: resource:///modules/CalStorageCalendar.jsm, line 311: NS_ERROR_FAILURE: error executing async statement
JavaScript error: resource:///modules/CalStorageCalendar.jsm, line 311: NS_ERROR_FAILURE: error executing async statement
console.warn: Lightning: {"result":11,"message":"database disk image is malformed","ERROR":1,"INTERNAL":2,"PERM":3,"ABORT":4,"BUSY":5,"LOCKED":6,"NOMEM":7,"READONLY":8,"INTERRUPT":9,"IOERR":10,"CORRUPT":11,"FULL":13,"CANTOPEN":14,"EMPTY":16,"SCHEMA":17,"TOOBIG":18,"CONSTRAINT":19,"MISMATCH":20,"MISUSE":21,"NOLFS":22,"AUTH":23,"FORMAT":24,"RANGE":25,"NOTADB":26}
JavaScript error: resource:///modules/CalStorageCalendar.jsm, line 311: NS_ERROR_FAILURE: error executing async statement
JavaScript error: resource:///modules/CalStorageCalendar.jsm, line 311: NS_ERROR_FAILURE: error executing async statement
JavaScript error: resource:///modules/AddrBookCard.jsm, line 197: NS_ERROR_NOT_AVAILABLE: PreferDisplayName: undefined - not a boolean
JavaScript error: resource:///modules/CalStorageCalendar.jsm, line 311: NS_ERROR_FAILURE: error executing async statement
JavaScript error: resource:///modules/CalStorageCalendar.jsm, line 311: NS_ERROR_FAILURE: error executing async statement
JavaScript error: resource:///modules/CalStorageCalendar.jsm, line 311: NS_ERROR_FAILURE: error executing async statement
JavaScript error: resource:///modules/CalStorageCalendar.jsm, line 311: NS_ERROR_FAILURE: error executing async statement
JavaScript error: resource:///modules/CalStorageCalendar.jsm, line 311: NS_ERROR_FAILURE: error executing async statement
JavaScript error: resource:///modules/CalStorageCalendar.jsm, line 311: NS_ERROR_FAILURE: error executing async statement
JavaScript error: resource://gre/modules/ActivityManager.jsm, line 127: NS_ERROR_NOT_AVAILABLE: