I can't sign in to my administrator account

Today,When I log in to my administrator account ,It pops up an error with “user disabled”,can anyone tell me how to fix it? It’s urgent.please help!!!

Hello, how about this solution from the official docu?
https://docs.nextcloud.com/server/19/admin_manual/configuration_server/occ_command.html#disable-users

Sorry,doesn’t work,other ways?

Then you need to provide a bit more information, please use template as for a new Topic and provide logs, information about what exactly you done that it does not work.