How To Fix E7070 - Standard customer &1 already exists

SAP Error Message - Details

• Message type: E = Error

• Message class: E7 - IS-U master data

• Message number: 070

• Message text: Standard customer &1 already exists

What causes this issue?

You have attempted to create a customer with the help of a reference
customer using the transaction 'Create business partner'. However,
there is already a customer with the number of the business partner in
the system.

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?

Check the number range for the customer and business partner. Also
check the system parameters in table TEKND.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message E7070 - Standard customer &1 already exists ?

  The SAP error message E7070, which states "Standard customer &1 already exists," typically occurs when you are trying to create a customer master record in the SAP system, but a customer with the same identifier (usually the customer number) already exists in the system. This can happen in various modules, such as Sales and Distribution (SD) or Financial Accounting (FI).
  Cause:
  
  Duplicate Customer Number: The most common cause is that the customer number you are trying to create is already in use for another customer record.
  Data Migration Issues: If you are migrating data from another system or performing a mass upload, there may be duplicates in the data being imported.
  Incorrect Input: Sometimes, the error can arise from a simple typographical error in the customer number field.
  
  Solution:
  
  
  Check Existing Customers: Before creating a new customer, check the existing customer records to see if the customer number you are trying to use is already assigned. You can do this by using transaction codes like XD03 (Display Customer) or FD03 (Display Customer - Financial).
  
  
  Use a Different Customer Number: If the customer number is already in use, you will need to select a different, unique customer number for the new record.
  
  
  Data Cleanup: If you are migrating data, ensure that your data does not contain duplicates. Clean up the data before performing the upload.
  
  
  Consult with Your Team: If you believe the customer number should not exist, consult with your team or the person responsible for customer data management to verify the situation.
  
  
  Check for Deactivated Customers: Sometimes, a customer may be deactivated but still exists in the system. You can check if the customer is marked as inactive and decide if you want to reactivate it instead of creating a new one.
  
  
  Related Information:
  
  
  Transaction Codes: Familiarize yourself with transaction codes related to customer management, such as:
  
  XD01 - Create Customer (General Data)
  XD02 - Change Customer
  XD03 - Display Customer
  FD01 - Create Customer (Financial)
  FD02 - Change Customer (Financial)
  FD03 - Display Customer (Financial)
  
  
  
  SAP Notes: Check SAP Notes for any specific patches or updates related to customer management that might address similar issues.
  
  
  User Authorization: Ensure that you have the necessary authorizations to create or modify customer records in the system.
  
  
  By following these steps, you should be able to resolve the E7070 error and successfully manage customer records in SAP.