How To Fix RW103 - System error in the FI/CO interface

SAP Error Message - Details

• Message type: E = Error

• Message class: RW - Interface to Accounting

• Message number: 103

• Message text: System error in the FI/CO interface

What causes this issue?

Updating of the FI/CO interface was called with object type "&v1&" yet
the checks were run for object type "&v2&".

System Response

Checking and updating must be for the same object type.

How to fix this error?

It has to do with a system error from the calling applications.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message RW103 - System error in the FI/CO interface ?

  The SAP error message RW103, which indicates a "System error in the FI/CO interface," typically arises during the integration between the Financial Accounting (FI) and Controlling (CO) modules. This error can occur due to various reasons, including configuration issues, data inconsistencies, or system-related problems.
  Causes of RW103 Error
  
  
  Configuration Issues: Incorrect settings in the FI/CO interface configuration can lead to this error. This includes issues with account determination, document types, or posting keys.
  
  
  Data Inconsistencies: If there are inconsistencies in the data being processed, such as missing or incorrect master data (e.g., cost centers, profit centers, or internal orders), it can trigger this error.
  
  
  System Bugs: Occasionally, this error may be caused by bugs in the SAP system or issues related to specific versions or patches.
  
  
  Authorization Issues: Lack of proper authorizations for the user trying to perform the transaction can also lead to this error.
  
  
  Technical Issues: Problems with the underlying database or system performance issues can also result in this error.
  
  
  Solutions to RW103 Error
  
  
  Check Configuration: Review the configuration settings for the FI/CO interface. Ensure that all necessary settings are correctly defined, including account determination and document types.
  
  
  Validate Master Data: Ensure that all relevant master data is correctly maintained and consistent. Check for missing or incorrect entries in cost centers, profit centers, and other related master data.
  
  
  Review Logs: Check the application logs (transaction SLG1) for more detailed error messages that can provide insights into the specific cause of the error.
  
  
  User Authorizations: Verify that the user has the necessary authorizations to perform the transaction. If not, work with your security team to grant the required permissions.
  
  
  System Performance: Monitor system performance and check for any database issues. If necessary, consult with your Basis team to resolve any underlying technical problems.
  
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address known issues related to the RW103 error. Applying the latest patches or updates may resolve the issue.
  
  
  Consult SAP Support: If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance. Provide them with detailed information about the error, including transaction codes, user IDs, and any relevant logs.
  
  
  Related Information
  
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as FB50 (General Ledger), KSB1 (Cost Centers: Actual Line Items), and others that may be involved in the FI/CO interface.
  
  
  Documentation: Review SAP documentation related to the FI/CO interface for best practices and configuration guidelines.
  
  
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  
  By following these steps, you should be able to diagnose and resolve the RW103 error effectively.