Warning undefined array key

Test avec Dolibarr 16 et PHP 8 (pas de warning en PHP 7) :

PHP Warning: Undefined array key "thirdpartylist" in /var/www/html/doli16/htdocs/custom/quicklist/class/actions_quicklist.class.php on line 519, referer: http://10.43.47.218/doli16/htdocs/societe/list.php

To upload designs, you'll need to enable LFS and have an admin enable hashed storage. More information