[La Bolt]

Hi this is my error, please help me

Fatal error: Maximum execution time of 30 seconds exceeded in /public_html/keygen.php(3) : eval()'d code(1) : eval()'d code(3) : eval()'d code(1) : eval()'d code(3) : eval()'d code(1) : eval()'d code(3) : eval()'d code(1) : eval()'d code(3) : eval()'d code(1) : eval()'d code on line 68

Very thanks for help