Warning: Use of undefined constant STDERR - assumed 'STDERR' (this will throw an Error in a future version of PHP) in C:\xampp\htdocs\ddb-new\tools\test_diar_6b_0_1_compat.php on line 43

Fatal error: Uncaught TypeError: fwrite() expects parameter 1 to be resource, string given in C:\xampp\htdocs\ddb-new\tools\test_diar_6b_0_1_compat.php:43 Stack trace: #0 C:\xampp\htdocs\ddb-new\tools\test_diar_6b_0_1_compat.php(43): fwrite('STDERR', 'DIAR_6B_COMPAT_...') #1 {main} thrown in C:\xampp\htdocs\ddb-new\tools\test_diar_6b_0_1_compat.php on line 43