Problem after Upgrade Icingaweb2 to 2.9.3

Hello Guys,
after upgrade the Website show confused content. Then I look around and find a few Entries with the same Problem, but the Solutions not help me. like this:
(HTML Broken after update to v2.9 - githubmemory)
I tryed many things, all modules was deactive but not looks better.
I deleted the module businessprocess because of the information.
now i need your help, what is the reason?
Here are the informations about my system.

Thanks in advance for your assistance.

These Updates was installed at Monday, after that the Problem appears.
update.txt (23.5 KB)
The IDO-Database is now also ready.

cube 1.1.0 enabled /usr/share/icingaweb2/modules/cube
director 1.7.1 enabled /usr/share/icingaweb2/modules/director
doc 2.9.3 enabled /usr/share/icingaweb2/modules/doc
grafana 1.3.5 enabled /usr/share/icingaweb2/modules/grafana
graphite-web 0.0.0 disabled /usr/share/icingaweb2/modules/graphite-web
incubator 0.5.0 enabled /usr/share/icingaweb2/modules/incubator
ipl v0.5.0 enabled /usr/share/icingaweb2/modules/ipl
migrate 2.9.3 enabled /usr/share/icingaweb2/modules/migrate
monitoring 2.9.3 enabled /usr/share/icingaweb2/modules/monitoring
pdfexport 0.9.1 enabled /usr/share/icingaweb2/modules/pdfexport
reactbundle 0.7.0 enabled /usr/share/icingaweb2/modules/reactbundle
reporting 0.10.0 enabled /usr/share/icingaweb2/modules/reporting
setup 2.9.3 enabled /usr/share/icingaweb2/modules/setup
test 2.9.3 enabled /usr/share/icingaweb2/modules/test
translation 2.9.3 enabled /usr/share/icingaweb2/modules/translation
vsphere 1.1.0 enabled /usr/share/icingaweb2/modules/vsphere
vspheredb 1.1.0 enabled /usr/share/icingaweb2/modules/vspheredb
x509 1.0.0 enabled /usr/share/icingaweb2/modules/x509

icinga2 - The Icinga 2 network monitoring daemon (version: r2.13.1-1)

System information:
Platform: Ubuntu
Platform version: 18.04.6 LTS (Bionic Beaver)
Kernel: Linux
Kernel version: 4.15.0-156-generic
Architecture: x86_64

Build information:
Compiler: GNU 8.4.0
Build host: runner-hh8q3bz2-project-508-concurrent-0
OpenSSL version: OpenSSL 1.1.1 11 Sep 2018

Application information:

General paths:
Config directory: /etc/icinga2
Data directory: /var/lib/icinga2
Log directory: /var/log/icinga2
Cache directory: /var/cache/icinga2
Spool directory: /var/spool/icinga2
Run directory: /run/icinga2

PHP 7.2.24-0ubuntu0.18.04.9 (cli) (built: Aug 16 2021 05:46:32) ( NTS )


please download less-syntax-errors.txt (1.0 KB) and apply it using cat less-syntax-errors.txt | patch -Np2 at /usr/share/php/.

Then load /icingaweb2/css/icinga.min.css in your browser and show the resulting response.

Hi Johannes,
the output in terminal is
root@de-esn-vm-036:/usr/share/php# cat less-syntax-errors.txt | patch -Np2
patching file Icinga/Web/LessCompiler.php
Hunk #1 FAILED at 3.
Hunk #2 succeeded at 266 (offset 17 lines).
1 out of 2 hunks FAILED – saving rejects to file Icinga/Web/LessCompiler.php.rej

The output in Browser:
Fatal error: Uncaught Less_Exception_Chunk: ParseError: Unexpected input in anonymous-file-0.less on line 19748, column 2 19746| 19747| #login { 19748| background: url(’…/img/klicktel/11880.png’) top center no-repeat, linear-gradient (to top, #00A6F0 0%, #1663A7 100%); 19749| } 19750| 19751| in /usr/share/icingaweb2/library/vendor/lessphp/lib/Less/Parser.php:631 Stack trace: #0 /usr/share/icingaweb2/library/vendor/lessphp/lib/Less/Parser.php(578): Less_Parser->GetRules(NULL) #1 /usr/share/icingaweb2/library/vendor/lessphp/lib/Less/Parser.php(420): Less_Parser->_parse() #2 /usr/share/icingaweb2/library/vendor/lessphp/ Less_Parser->parse(’\n\n@font-face {\n…’) #3 /usr/share/php/Icinga/Web/LessCompiler.php(273): lessc->compile(’\n\n@font-face {\n…’) #4 /usr/share/php/Icinga/Web/StyleSheet.php(226): Icinga\Web\LessCompiler->render() #5 /usr/share/php/Icinga/Web/StyleSheet.php(264): Icinga\Web\StyleSheet->render(true) #6 /usr/share/php/Icinga/Application/webrouter.php(62): Icinga\Web\StyleSheet::sen in /usr/share/icingaweb2/library/vendor/lessphp/lib/Less/Parser.php on line 631

I hope these help

Regards Rico

Well the patch didn’t apply but the error still seems to tell enough. Please try it again by switching to the default theme. Or simply by removing the custom theme that contains the klicktel/11880.png image.

Thank you,
I switch to default theme. That helps me.
And this is the Solution.

Best Regards