Hello,
Thank you for contacting Rank Math. We are sorry for any inconvenience that might have been caused due to this issue.
It seems that you’re currently using the Rank Math PRO plugin, but the account you have used to open this ticket is the Rank Math free version.
Can you please search and forward a receipt from FastSpring.com so we can locate your account and verify it?
Meanwhile, this error is usually due to trying to update the Rank Math PRO plugin while connected to a free account.
Please follow this guide to fix the issue by connecting to your Rank Math PRO account:
https://rankmath.com/kb/fix-pclzip-err-bad-format/
Let us know how this goes.
Hello,
Since we did not hear back from you for 15 days, we are assuming that you found the solution. We are closing this support ticket.
If you still need assistance or any other help, please feel free to open a new support ticket, and we will be more than happy to assist.
Thank you.
