plugin_mautic

hi alanhartless, i implemented a plugin to add a topic to the left pane with dashboard, emails , pts, campaings… someone checked it and tell me that it worked for him but it is not working at me . when i open mautic and press install plugin i get ( 0 plugins installed) should i be in the dev mode to install a plugin or it is ok if iam in the prod mode ? please i really need your help am stuck since a week in my work .

this is the link of the plugin : https://drive.google.com/open?id=0By1rOlT63sKGLTJwNzdQbVJiVUU

hi alanhartless, i implemented a plugin to add a topic to the left pane with dashboard, emails , pts, campaings… someone checked it and tell me that it worked for him but it is not working at me . when i open mautic and press install plugin i get ( 0 plugins installed) should i be in the dev mode to install a plugin or it is ok if iam in the prod mode ? please i really need your help am stuck since a week in my work .
this is the link of the plugin : https://drive.google.com/open?id=0By1rOlT63sKGLTJwNzdQbVJiVUU