Failed to start windows client session

When trying to log in with the desktop client for Windows, do not let me miss it by throwing the following error :frowning: when trying to log in:
The server could not complete your request.
If it happens again, please send the technical details below to the server administrator.
More details can be seen in the server log.
Technical details
Remote address: xx.xx.xx.xx
Application ID: XJNqcHRqA5wz6QBlXkY67QAAAAE

Server registration:
Exception: The requested uri (/nextcloud/index.php/js/core/merged-template-prepend.js) can not be processed by the script ‘/nextcloud//index.php’)

 /opt/nextcloud/lib/base.php - line 930:
 OC \ AppFramework \ Http \ Request-> getRawPathInfo ()
 /opt/nextcloud/index.php - line 42:
 OC :: handleRequest ()

Not has happened to anyone else?

Hello @Manuel_Rando

your posting is missing information to help you.

Which client version?
Which server version?
Environment information.
Client log…