**update** We will not answers to any proposals or chats which not directly rely to our project ***
We are running a nextcloud on a domain. Since an update of the core software failed, we re-imported a backup of a) files and b) mySQL. Since then, login is only possible via Chrome. Other browsers won`t accept login attempts.
We search for help to fix this. A mere hint to what hast to be changed would be great. We only ask for application from experts with experience in nextcloud and only answer to applications when references are provided.