Need to reset my personal shop password

Need to reset my personal shop password. I thought I set it to a 5-digit number I wrote down, but the number I wrote does not work. Thank you very much for your time.

You can request a Shop Password reset from the support site: https://support.pso2.com

Sign-in if prompted, then select "Submit a request" in the top right corner, the select "Item Shop Password Reset (2nd Password)" from the drop down field.