Joomla 3.10, AcyMailing Enterprise : 5.11.3, php 8.0.25
I have a problem where a user with a yahoo.co.uk email address cannot subscribe to our acymailing newsletter list. It tells the user "invalid address". So, I tried to add the user myself in Users -> New. But I also get "invalid address".
I wanted to look at the email field in Configuration -> Custom Fields -> Email to see if there's some incorrect validation in there, but I get an error message:
0 Cannot access offset of type string on string
How can I fix these problems please?
Thanks