Fatal error: Uncaught Less_Exception_Compiler: variable @border-color is undefined in file /var/www/reflexfolie/htdocs/custom/plugins/BogxDesigner/Resources/frontend/less/_modules/bogx_designer.less in bogx_designer.less on line 145, column 20 143| .bogx--font-select .bogx--fonts-drop { 144| background: #fff; 145| border: 1px solid @border-color; 146| border-top: 0; 147| position: absolute; 148| //top: 29px; in /var/www/reflexfolie/htdocs/vendor/wikimedia/less.php/lib/Less/Tree/Variable.php:48 Stack trace: #0 /var/www/reflexfolie/htdocs/vendor/wikimedia/less.php/lib/Less/Tree/Expression.php(41): Less_Tree_Variable->compile(Object(Less_Environment)) #1 /var/www/reflexfolie/htdocs/vendor/wikimedia/less.php/lib/Less/Tree/Value.php(26): Less_Tree_Expression->compile(Object(Less_Environment)) #2 /var/www/reflexfolie/htdocs/vendor/wikimedia/less.php/lib/Less/Tree/Rule.php(73): Less_Tree_Value->compile(Object(Less_Environment)) #3 /var/www/reflexfolie/htdocs/vendor/wikimedia/less.php/lib/Less/Tree/Ruleset.php(91): Les in /var/www/reflexfolie/htdocs/vendor/wikimedia/less.php/lib/Less/Tree/Variable.php on line 48