External collabora URL no longer working after upgrading to Nextcloud 22.x

Apps & App Center
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2

Dear Community,
we found the error and the problem is solved.

In the reverseProxy configuration, the following line break must be removed…


# Incorrect syntax

...
# Globale Einstellungen
    add_header Strict-Transport-Security "max-age=15768000;
    includeSubDomains; preload;";
    fastcgi_hide_header X-Powered-By;
...


# Correct syntax

...
# Globale Einstellungen
    add_header Strict-Transport-Security "max-age=15768000; includeSubDomains; preload;";
    fastcgi_hide_header X-Powered-By;
...

Now everything works again…

Greetings from the Rheinland,
migo