Have you seen this error message when activating a plugin?

It is a UTF8 related issue. Solution: download Notepad++ and edit the file and select Encoding > Encode in UTF8 (without BOM).

Fix for The plugin generated 3 characters of unexpected output during activation. If you notice “headers already sent”

Fix for The plugin generated 3 characters of unexpected output during activation. If you notice “headers already sent”

Related/Credit

Plugin activation error: The plugin generated 3 characters of unexpected output during activation. If you notice “headers already sent”

Referral Note: When you purchase through a referral link (if any) on this page, we may earn a commission.
If you're feeling thankful, you can buy me a coffee or a beer