Error message when an Administrator or a team member tries to create a ticket

Hello,

When a person with the profiles "administrator" or "team member" wants to create a ticket he receives the following error message : Can you help us please.

2020-12-23 14:48:26.618 ===== TRACE ===== DISCONNECTED USER 'admin'
2020-12-23 14:48:36.066 ===== TRACE ===== NEW CONNECTED USER 'admin'
2020-12-23 14:48:57.698 ===== TRACE ===== Cannot check Version at projeqtor.org/admin/getVersion.php
2020-12-23 14:48:57.699 ===== TRACE ===== Maybe allow_url_fopen is Off in php.ini...
2020-12-23 14:49:01.711 ===== TRACE ===== Cron started at 23/12/2020 14:49:01
2020-12-23 14:49:01.784 ***** ERROR ***** [V8.2.4] Exception-[42S22] SQLSTATE[42S22]: Column not found: 1054 Unknown column 'responsible' in 'where clause'
2020-12-23 14:49:01.784 ***** ERROR ***** [V8.2.4] For query : select * from requirement where ((idProject not in (0) or idProject is null ) and (idProject not in (0) or idProject is null or (idResource='1') ) and (idProject not in (0) or idProject is null or (idUser='1') )) and ( creationDateTime>= '2019-12-16 00:00:00' and creationDateTime<='2019-12-22 23:59:59' ) and idProject in (0, 2) and responsible='3'
2020-12-23 14:49:01.784 ***** ERROR ***** [V8.2.4] Strack trace :
2020-12-23 14:49:01.784 ***** ERROR ***** [V8.2.4] #0 Sql->query called at [C:\xampp\htdocs\projeqtor\model\persistence\SqlElement.php:2485]
2020-12-23 14:49:01.784 ***** ERROR ***** [V8.2.4] #1 SqlElement->getSqlElementsFromCriteria called at [C:\xampp\htdocs\projeqtor\report\RequirementOpenedSynthesis.php:229]
2020-12-23 14:49:01.785 ***** ERROR ***** [V8.2.4] #2 include called at [C:\xampp\htdocs\projeqtor\model\AutoSendReport.php:210]
2020-12-23 14:49:01.785 ***** ERROR ***** [V8.2.4] #3 AutoSendReport->sendReport called at [C:\xampp\htdocs\projeqtor\model\Cron.php:528]
2020-12-23 14:49:01.785 ***** ERROR ***** [V8.2.4] #4 Cron->run called at [C:\xampp\htdocs\projeqtor\model\Cron.php:396]
2020-12-23 14:49:01.785 ***** ERROR ***** [V8.2.4] #5 Cron->relaunch called at [C:\xampp\htdocs\projeqtor\tool\cronRelaunch.php:30]