Getting "Merchant Id not found" error when processing Credit Card transactions due to System5 function change on Version 7


Currently, from previous version 6.x ECR number/PinpadID was required on Debit/Pinpad Tabs 



but later on version7 , Merchat ID was required to be put on Debit/Pinpad Tabs



See ticket reference from Magnolia Landscape Supply 

https://support.windwardsoftware.com/a/tickets/96480