Home › Forums › User Specific Addon – File Upload Manager › Error when installing User Specific addon This topic has 2 replies, 2 voices, and was last updated 1 year, 5 months ago by nmedia. Viewing 3 posts - 1 through 3 (of 3 total) Author Posts September 21, 2023 at 7:44 am #154001 GianlucaParticipant When I try to install the addon I see this error: Your plugin license is not valid, Dowload plugin API KEY from Client Portal. I have the API KEY, but where I should insert it? September 21, 2023 at 3:27 pm #154011 GianlucaParticipant any updates? I can’t install the addon September 23, 2023 at 4:55 am #154041 nmediaKeymaster Hi, Please share site details via email. Author Posts Viewing 3 posts - 1 through 3 (of 3 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In