I'm havng problems installing the DragDropR extension. I uploaded via FTP and folllowed their installation instructions and this is the error message I receive.
[2020-10-14 09:40:58] main.CRITICAL: Notice: Undefined index: DragDropr in /var/www/html/app/code/Magento/Integration/Model/Plugin/Integration.php on line 129 {"exception":"[object] (Exception(code: 0):
Have recompiled etc.
Any help woud be appreciated, I tried to install via composer but the module could not be found.
