Error message “The P Parameter is Missing” When Updating Your DKIM Record
If you are trying to update your DKIM signature, and you get the error message “The p parameter is missing”, it may be that your DNS is splitting the DKIM signature into two or more strings. If you’re using cPanel, you can fix this issue by using single quotes around the record.
If you need advice on setting up your DKIM record, you can find it here.
Please refer to this link for more information about the error.
We recommend using this site for testing and to check changes made to your records.