Deprecated: strtolower(): Passing null to parameter #1 ($string) of type string is deprecated in /mnt/web020/c2/37/53803937/htdocs/www.lern-zentrum.de/components/com_flexicontent/librairies/phpthumb/phpthumb.functions.php on line 746

Deprecated: strtolower(): Passing null to parameter #1 ($string) of type string is deprecated in /mnt/web020/c2/37/53803937/htdocs/www.lern-zentrum.de/components/com_flexicontent/librairies/phpthumb/phpthumb.functions.php on line 746

Deprecated: strtolower(): Passing null to parameter #1 ($string) of type string is deprecated in /mnt/web020/c2/37/53803937/htdocs/www.lern-zentrum.de/components/com_flexicontent/librairies/phpthumb/phpthumb.functions.php on line 746

**Headers already sent in file "/mnt/web020/c2/37/53803937/htdocs/www.lern-zentrum.de/components/com_flexicontent/librairies/phpthumb/phpthumb.functions.php" on line "746", dumping error message as text:**<br><pre>

phpThumb() v1.7.18-202110211855
http://phpthumb.sourceforge.net

Error messages disabled.

edit phpThumb.config.php and (temporarily) set
$PHPTHUMB_CONFIG['disable_debug'] = false;
to view the details of this error
</pre>