How To Fix E7090 - Customer &2 has impermissible account group &2 for reference customers

E7090 - Overview

• Message type: E = Error

• Message class: E7 - IS-U master data

• Message number: 090

• Message text: Customer &2 has impermissible account group &2 for reference customers

What causes this issue?

Only certain account groups are permitted for reference customers. They
are stored in table TECST.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Error message extract from SAP system. Copyright SAP SE.

E7090 - Details

• The SAP error message E7090 indicates that there is an issue with the account group assigned to a customer in the system. Specifically, it states that the customer has an impermissible account group for reference customers. This typically occurs when the account group assigned to the customer does not meet the criteria set in the system for reference customers.
  
  Cause:
  
  Account Group Configuration: The account group assigned to the customer may not be configured to allow reference customers. This can happen if the account group is set up with restrictions or if it is not intended for use with reference customers.
  Customer Master Data: The customer master data may have been incorrectly maintained, leading to the assignment of an inappropriate account group.
  Business Rules: There may be specific business rules or validation checks in place that restrict certain account groups from being used as reference customers.
  
  
  Solution:
  
  
  Check Account Group Settings:
  
  Go to the configuration settings for