@gurdeep0458 should be an easy fix, Open a ticket with PM Support and they can either change the addon for you or reverse the transaction for you and put the money back to My Account for other use
to open ticket :
1. If you have access to My account: At https://publicmobile.ca/chatbot.
Start by typing "Submit a ticket", then click "Contact Us", Then click "Other", then click "Click here to submit a ticket ↗"
2. If you don't have access to My Account or have trouble with Chatbot: Private message CS Agent at:
https://productioncommunity.publicmobile.ca/t5/notes/composepage/note-to-user-id/22437
**Monitor your Community inbox (envelope icon on the top right) after the ticket is opened. CS Agent will reply you there