EPM error in basefile

All Modules are up to date | FreePBX 13

LDAP Number Attributes. This setting specifies the �number� attributes of each record which are returned in the LDAP search result The setting allows

P8029 = Editing this line

i get back error

Whoops\Exception\ErrorException
json_encode(): Invalid UTF-8 sequence in argument
File:/var/www/html/admin/libraries/BMO/Ajax.class.php:432

Any Luck. I am having the exact same error message!

Nope I believe I even submitted it to issues.Freepbx.org