Quote from Emma on June 14, 2021, 7:11 pm

Registration link fails

It gives me an error:

Warning: preg_match(): Compilation failed: quantifier does not follow a repeatable item at offset 1 in /home/customer/www/neptuniana.com/public_html/wp-includes/class-wp.php on line 223

How do I solve it?

A little help please.

Thanks