I struggle to send emails with the Newsletter plugin and I don’t know how to solve the issue.
In the General Check page, I have 2 errors:
– MAILING: Last test failed with error “Illegal offset type”.
– DATABASE CHARSET: Charset: iso-8859-1
The recommended charset for your database is utf8 or utf8mb4 but the conversion could be tricky. If you’re not experiencing problem, leave things as is.
Does anybody has an idea how to solve this?
Thanks a lot!