Exception: Database error when running migration 5006Date20250927130132 for app mail An exception occurred while executing a query: SQLSTATE[42000]: Syntax error or access violation: 1071 Specified key was too long; max key length is 3072 bytes

[MrH3isenberg86]

Hi, I have this error text. how can i stop the maintenance mode? The maintenancemode in the "config.php" is "false"

[ChristophWurst]

This is probably a duplicate of #11931. @MrH3isenberg86 if you experience this with 5.5.10 then please send a full bug report via https://github.com/nextcloud/mail/issues/new?template=bug_report_form.yml