Warning: Trying to access array offset on value of type bool in /customers/b/d/3/goethe-verlag.com/httpd.www/database/common.class.php on line 301 Warning: Undefined array key 0 in /customers/b/d/3/goethe-verlag.com/httpd.www/database/common.class.php on line 329 Warning: Trying to access array offset on value of type null in /customers/b/d/3/goethe-verlag.com/httpd.www/database/common.class.php on line 329 Warning: Trying to access array offset on value of type bool in /customers/b/d/3/goethe-verlag.com/httpd.www/database/common.class.php on line 333 Warning: Trying to access array offset on value of type bool in /customers/b/d/3/goethe-verlag.com/httpd.www/database/common.class.php on line 334 Fatal error: Uncaught TypeError: Unsupported operand types: string - int in /customers/b/d/3/goethe-verlag.com/httpd.www/database/common.class.php:334 Stack trace: #0 /customers/b/d/3/goethe-verlag.com/httpd.www/book2/index.php(74): clsCommon->funcGetAllSelectLessonsdata1('SQ', 'CA', '103') #1 {main} thrown in /customers/b/d/3/goethe-verlag.com/httpd.www/database/common.class.php on line 334