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Fatal error: 401 in C:\xampp\htdocs\mantisbt\core\classes\DbQuery.class.php on line 301
Posted: 18 Dec 2023, 14:40
by Joselyne
Since this morning, i can't access the login page page of mantis .
This error occurs :
Fatal error: 401 in C:\xampp\htdocs\mantisbt\core\classes\DbQuery.class.php on line 301
I've checked in the log file for MySql and i can see the following : " Plugin 'FEEDBACK' is disabled" .Is it related to the error above.
Someone can help me to resolve the problem.
Thanks
Re: Fatal error: 401 in C:\xampp\htdocs\mantisbt\core\classes\DbQuery.class.php on line 301
Posted: 18 Dec 2023, 15:19
by cas
add the following 2 lines to core/config_inc.php in order to get (hoefully) clearer error message:
$g_show_detailed_errors = ON;
$g_display_errors = array(E_ALL => DISPLAY_ERROR_HALT,);
Re: Fatal error: 401 in C:\xampp\htdocs\mantisbt\core\classes\DbQuery.class.php on line 301
Posted: 19 Dec 2023, 11:10
by Joselyne
I've created de config_inc.php is in the conf/ folder not in core/ folder.
And when i add to 2 lines, the same error occurs with no details.
Re: Fatal error: 401 in C:\xampp\htdocs\mantisbt\core\classes\DbQuery.class.php on line 301
Posted: 19 Dec 2023, 11:58
by cas
This error is related to your mysql installation.
please google "mysql log Plugin 'FEEDBACK' is disabled" and you will find quite a number of hits

Re: Fatal error: 401 in C:\xampp\htdocs\mantisbt\core\classes\DbQuery.class.php on line 301
Posted: 22 Jan 2025, 19:09
by Webmestre FFSc
I had the exact same error today, it was caused by an API call to create an issue with a summary over 128 characters.