How To Fix FINS_SIS_CUST002 - Companies aren't uniquely assigned to company codes.

FINS_SIS_CUST002 - Overview

• Message type: E = Error

• Message class: FINS_SIS_CUST - Impl. of Doc. Splitting: Customizing

• Message number: 002

• Message text: Companies aren't uniquely assigned to company codes.

What causes this issue?

Company &V1& is assigned to company code &V2& and it is also assigned to
further company codes, such as company code &V3&.
This isn't allowed because in certain cases, such as cross-company code
postings during document splitting, company codes are derived from the
company that they're assigned to. In these cases, there must be a 1:1
relationship between company and company code.

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?

You can either:
Ensure a 1:1 relationship between company &V1& and company code &V2&.
OR
You can change the type of this message (for message area =
<AB>FINS_SIS_CUST</>, message number = 002) using transaction
<DS:TRAN.OBA5>Message Control by the User</>.
If the message type is I (Info), S (Success), or W (Warning), it is
possible to proceed with the current action.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

FINS_SIS_CUST002 - Details

• The SAP error message FINS_SIS_CUST002 indicates that there is a problem with the assignment of companies to company codes in the system. Specifically, it means that the companies are not uniquely assigned to the company codes, which can lead to issues in financial reporting and data integrity.
  
  Cause:
  
  Duplicate Assignments: The most common cause of this error is that multiple companies are assigned to the same company code, which violates the uniqueness requirement in SAP.
  
  Configuration Issues: Incorrect configuration in the system settings related to company codes and company assignments can also lead to this error.
  Data Migration Issues: If data has been migrated from another system, there may be inconsistencies or duplicates in the company and company code assignments.
  
  
  Solution:
  To resolve the error, you can follow these steps:
  
  
  Check Assignments:
  
  Go to the transaction code OBY6 (or the relevant configuration path) to check the assignment of companies to company codes.
  Ensure that each company is assigned to