How To Fix E7071 - Internal error during customer number determination

SAP Error Message - Details

• Message type: E = Error

• Message class: E7 - IS-U master data

• Message number: 071

• Message text: Internal error during customer number determination

What causes this issue?

During creation of a business partner, the assigned number could not be
determined in the program.

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

System Response

How to fix this error?

INCLUDE NA_ISU_OSS OBJECT DOKU ID TX

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message E7071 - Internal error during customer number determination ?

  The SAP error message E7071, which states "Internal error during customer number determination," typically occurs during processes that involve customer number assignment, such as sales order creation, billing, or customer master data maintenance. This error can be caused by various factors, including configuration issues, data inconsistencies, or system bugs.
  Causes:
  
  
  Configuration Issues: Incorrect settings in the customer number assignment configuration can lead to this error. This includes settings in the customer account group or number range configuration.
  Data Inconsistencies: If there are inconsistencies in the master data or if the customer number range is exhausted, it can trigger this error.
  System Bugs: Occasionally, this error may arise due to bugs in the SAP system or specific patches that have not been applied.
  Authorization Issues: Lack of proper authorizations for the user trying to create or modify customer data can also lead to this error.
  
  Solutions:
  
  
  Check Configuration:
  
  Review the configuration settings for customer number assignment in the relevant