Error Cannot redeclare paused_plugins_notice()

Greetings,
I am trying to activate your plugin in my website but every time I click “Activate” this fetal error appears, although I managed to install all other plugins I tried.

Fatal error: Cannot redeclare paused_plugins_notice() (previously declared in D:\Inetpub\vhosts\afterlifesolutions.com\httpdocs\wp-admin\includes\plugin.php:2423) in D:\Inetpub\vhosts\afterlifesolutions.com\httpdocs\wp-admin\includes\plugin.php on line 2423