Warning: Undefined array key "KEYWORDS" in /var/www/html/geshi.php on line 1925

Fatal error: Uncaught TypeError: array_keys(): Argument #1 ($array) must be of type array, null given in /var/www/html/geshi.php:1925 Stack trace: #0 /var/www/html/geshi.php(1925): array_keys(NULL) #1 /var/www/html/geshi.php(2053): GeSHi->build_parse_cache() #2 /var/www/html/geshi.php(4635): GeSHi->parse_code() #3 /var/www/html/highlighter.php(29): geshi_highlight('/*\n Project ...', 'C') #4 {main} thrown in /var/www/html/geshi.php on line 1925