Users are facing checkout error - "Something went wrong. Please contact the developer of this application and provide them with this error code: checkout_already_presented"

Questions
11

Hello Bryan,

  1. This is happening with ReaderSDK
  2. I found this LocationID on our Developer Dashboard: 87ZNTK6ZDYXYN
  3. Payment ID is not found.

I am new to Square and first time implementing it. Please let me know if I provided wrong info.