SwipeSimple: Invalid MRCH #

SwipeSimple: invalid Merchant number or ID

Last Updated: May 29, 2024

What's in this article?

Symptoms

  • Trying to take a payment on SwipeSimple app and get error "Invalid MRCH #"

Causes

  • The merchant is signed into a deactivated account
  • The card type being used is not provisioned on the account

Resolution

  1. Make sure they are signed into the correct account
  2. Have them sign out and back in anyways
  3. Uninstall then Reinstall app
  4. Check Card provisioning


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