How To Fix CVI_FS_CHECK_CUST_EN015 - Numbers assigned; direction "customer -> BP" not activated

SAP Error Message - Details

• Message type: E = Error

• Message class: CVI_FS_CHECK_CUST_EN - CVI_FS_CHECK_CUST_EN

• Message number: 015

• Message text: Numbers assigned; direction "customer -> BP" not activated

What causes this issue?

Before you can update the customer in the business partner, you must
assign at least one business partner group to a customer account group
in the view "Define Number Assignment for Direction Customer to BP"
(CVIV_CUST_TO_BP1).
You must also activate the synchronization direction in the view
"Activate Synchronization Options" (MDSV_CTRL_OPT_A).

System Response

There is at least one entry in the view "Define Number Assignment for
Direction Customer to BP" (CVIV_CUST_TO_BP1). The synchronization
direction of customer to business partner has not been activated. Data
cannot be synchronized.

How to fix this error?

If you want to synchronize data from the business partner to the
customer, you must activate the direction in the Customizing activity
<DS:SIMG.MDSV_CTRL_OPT_A>Activate Synchronization Options</>.
If not, you can remove the entries in the Customizing activity
<DS:SIMG.CVIV_CUST_TO_BP1>Define Number Assignment for Direction
Customer to BP</>.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CVI_FS_CHECK_CUST_EN015 - Numbers assigned; direction "customer -> BP" not activated ?

  The SAP error message CVI_FS_CHECK_CUST_EN015 indicates that there is an issue with the assignment of numbers in the Customer-Vendor Integration (CVI) process, specifically when trying to create or manage business partners (BPs) in the context of customer data. The error message suggests that the direction for the integration from "customer" to "business partner" is not activated.
  
  Cause:
  
  Integration Not Activated: The primary cause of this error is that the integration direction from customer to business partner is not activated in the system. This means that the system is not set up to allow the creation or management of business partners based on customer data.
  
  Configuration Issues: There may be configuration issues in the CVI settings that prevent the proper mapping or assignment of customer numbers to business partners.
  Missing Customizing Settings: The necessary customizing settings for the integration may not be properly defined or may be missing.
  
  
  Solution:
  To resolve this error, you can follow these