Manager does not start after recent update on Ubuntu

[xero50]

This looks very similar to the issues dealt with in this thread:-

Cannot Rename Business after Import 16.12.55

After importing a backup the date stamp cannot be changed. After deleting the date stamp from the name and clicking “update” this error message is generated: Internal Error Sorry, something went wrong. Please report this error to bugs@manager.io. If possible, please attach your backup file so we can reproduce this problem internally. Also, please include the following information in your error report: 16.12.55 (Desktop) /business-name-form?Referrer=summary%3FFileID%3De2c2b8a0-b3e7-43a5-ac…