The following message appears on the WordPress Plugins menu when activating the plugin.
The plugin generated 2 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.
This is displayed in both single site and multisite installations
Steps to Reproduce
Install plugin in wp-content/plugins
Activate Plugin
In single site go to the Dashboard then Plugins. Click "Activate" for the "WordPress CAS Client" plugin
In multisite go to the Network Admin Dashboard then Plugins. Click "Network Activate" for the "WordPress CAS Client" plugin
Description
The following message appears on the WordPress Plugins menu when activating the plugin.
This is displayed in both single site and multisite installations
Steps to Reproduce
Result
Unknown
Expected
WordPress displays the following message instead
@gissues:{"order":16.66666666666666,"status":"backlog"}