I made a custom plugin for my wordpress admin for view user detail. This plugin is working fine after showing this error but the main issue is by this plugin , when i try to open some link the page went blank. I dont know why and what is this error..Searched on internet but unable to resolve this issue. Your help would be appreciated...here is the fulll error comes when i activate this plugin...I
The plugin generated 751 characters of unexpected output during activation. If you notice “headers already sent” messages, problems with syndication feeds or other issues, try deactivating or removing this plugin