500 - Internal server error when clicking on an image

[Chrislybaer0]

Hi folks,
First I want to say, that we used your prior Template "monobook" many years and it worked always like a charm and of course we also wanted to use the successor template "Vector with the new Dokuwiki version "Jack Jackrum" with regard to the now familiar presentation.

The Vector template also looks very good and does an excellent job except for one little thing: you can't click on embedded graphics or images. It took me a while to get the error messages together, because the viewer only gets a 500 Internal server error.

Here you can see the error messages that the server outputs directly.
It should perhaps also be noted that we run the Dokuwiki on a Microsoft Server 2022 under the IIS.
I hope that the repeatable error is just a minor issue that you can fix quickly.

PHP Warning: Undefined array key 3 in C:\inetpub\wwwroot\dokuwiki\lib\tpl\vector\inc_detail.php on line 55
PHP Warning: Undefined array key "img_manager" in C:\inetpub\wwwroot\dokuwiki\lib\tpl\vector\inc_detail.php on line 90
PHP Warning: Undefined array key "img_backto" in C:\inetpub\wwwroot\dokuwiki\lib\tpl\vector\inc_detail.php on line 93

With kind regards
Chris