PHP fatal error in tags.php?display_mode=letters #876

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opened 2026-10-05 00:22:20 +02:00 by adam · 2 comments
Owner

After upgrading to Piwigo 2.9.5,

the tag page crashes when selecting "Group by letters", however the tag-cloud works fine.

How to reproduce:

  • Click on tags
  • Click on "Group by letters" in the upper right corner

Fatal error: Uncaught Error: Call to undefined function mb_strtoupper() in /var/www/html/tags.php:104 Stack trace: #0 {main} thrown in /var/www/html/tags.php on line 104

After upgrading to Piwigo 2.9.5, the tag page crashes when selecting "Group by letters", however the tag-cloud works fine. How to reproduce: - Click on tags - Click on "Group by letters" in the upper right corner Fatal error: Uncaught Error: Call to undefined function mb_strtoupper() in /var/www/html/tags.php:104 Stack trace: #0 {main} thrown in /var/www/html/tags.php on line 104 <!-- github-sync-id:431837705 -->
adam closed this issue 2026-10-05 00:22:20 +02:00
Author
Owner

Hello
You probably don't have mb_string module for php. And you probably have
more errors due to that

Le jeu. 11 avr. 2019 à 07:35, Øivind Boge notifications@github.com a
écrit :

After upgrading to Piwigo 2.9.5,

the tag page crashes when selecting "Group by letters", however the
tag-cloud works fine.

How to reproduce:

  • Click on tags
  • Click on "Group by letters" in the upper right corner

Fatal error: Uncaught Error: Call to undefined function mb_strtoupper() in
/var/www/html/tags.php:104 Stack trace: #0 {main} thrown in
/var/www/html/tags.php on line 104

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Hello You probably don't have mb_string module for php. And you probably have more errors due to that Le jeu. 11 avr. 2019 à 07:35, Øivind Boge <notifications@github.com> a écrit : > After upgrading to Piwigo 2.9.5, > > the tag page crashes when selecting "Group by letters", however the > tag-cloud works fine. > > How to reproduce: > > - Click on tags > - Click on "Group by letters" in the upper right corner > > Fatal error: Uncaught Error: Call to undefined function mb_strtoupper() in > /var/www/html/tags.php:104 Stack trace: #0 {main} thrown in > /var/www/html/tags.php on line 104 > > — > You are receiving this because you are subscribed to this thread. > Reply to this email directly, view it on GitHub > <https://github.com/Piwigo/Piwigo/issues/1001>, or mute the thread > <https://github.com/notifications/unsubscribe-auth/AAs-jT9KuJkxI028Fzp-Eo7xMDqoHpyjks5vfsmOgaJpZM4coxqU> > . > <!-- github-comment-id:481974025 -->
Author
Owner

That was the problem, thank you!

fix:
sudo apt-get install php-mbstring
sudo service apache2 restart

That was the problem, thank you! fix: sudo apt-get install php-mbstring sudo service apache2 restart <!-- github-comment-id:484598709 -->
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Reference: adam/Piwigo#876