Fatal error: Uncaught Error: Call to undefined function imagecreatetruecolor() in /var/www/cryptoparty/lib/plugins/openlayersmap/StaticMap.php:221 Stack trace: #0 /var/www/cryptoparty/lib/plugins/openlayersmap/StaticMap.php(604): StaticMap->createBaseMap() #1 /var/www/cryptoparty/lib/plugins/openlayersmap/StaticMap.php(700): StaticMap->makeMap() #2 /var/www/cryptoparty/lib/plugins/openlayersmap/helper/staticmap.php(103): StaticMap->getMap() #3 /var/www/cryptoparty/lib/plugins/openlayersmap/syntax/olmap.php(682): helper_plugin_openlayersmap_staticmap->getMap() #4 /var/www/cryptoparty/lib/plugins/openlayersmap/syntax/olmap.php(144): syntax_plugin_openlayersmap_olmap->_getStaticOSM() #5 /var/www/cryptoparty/inc/parser/handler.php(279): syntax_plugin_openlayersmap_olmap->handle() #6 /var/www/cryptoparty/inc/Parsing/Lexer/Lexer.php(270): Doku_Handler->plugin() #7 /var/www/cryptoparty/inc/Parsing/Lexer/Lexer.php(197): dokuwiki\Parsing\Lexer\Lexer->invokeHandler() #8 /var/www/cryptoparty/inc/Parsing/Lexer/Lexer.php(147): dokuwik in /var/www/cryptoparty/lib/plugins/openlayersmap/StaticMap.php on line 221