How To Fix ITOB351 - Wrong data in customer exit &1 &2, error message on pressing ENTER

SAP Error Message - Details

• Message type: E = Error

• Message class: ITOB - Messages for development class ITOB

• Message number: 351

• Message text: Wrong data in customer exit &1 &2, error message on pressing ENTER

What causes this issue?

Object data was changed using the customer exit &V1& &V2&, but the
system considers these changes to be faulty.

System Response

After you have confirmed this notification by pressing ENTER, another
message dealing with the existing error appears.
The system expects a correction of the changed object data.

How to fix this error?

Inform your system administrator.
A program correction must probably be performed in the customer exit.

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 ITOB351 - Wrong data in customer exit &1 &2, error message on pressing ENTER ?

  The SAP error message ITOB351 ("Wrong data in customer exit &1 &2") typically occurs when there is an issue with the data being processed in a customer exit function module. This error can arise in various scenarios, particularly when the system is trying to validate or process data that does not meet the expected criteria defined in the customer exit.
  Causes:
  
  Incorrect Data Input: The data entered in the fields may not conform to the expected format or range defined in the customer exit.
  Custom Logic Errors: There may be issues in the custom code implemented in the customer exit, such as incorrect logic or unhandled exceptions.
  Configuration Issues: The configuration settings related to the customer exit may not be set up correctly, leading to validation failures.
  Data Dependencies: The data being processed may depend on other fields or tables that are not populated or are incorrect.
  
  Solutions:
  
  Check Input Data: Review the data being entered in the fields associated with the customer exit. Ensure that it meets the expected format and constraints.
  Debugging: If you have access to the ABAP development environment, you can debug the customer exit to identify where the error is occurring. Look for any logic that may be causing the validation to fail.
  Review Custom Code: If there is custom code in the customer exit, review it for any potential issues. Ensure that all possible data scenarios are handled correctly.
  Consult Documentation: Check any documentation related to the customer exit to understand the expected data formats and constraints.
  Check Configuration: Verify that the configuration settings related to the customer exit are correct and aligned with the business requirements.
  Contact Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP support or your internal SAP team for further assistance.
  
  Related Information:
  
  Transaction Codes: Depending on where the error occurs, you may want to check transaction codes related to the specific module or functionality you are working with.
  SAP Notes: Search for relevant SAP Notes that may address known issues with the specific customer exit or provide guidance on similar error messages.
  Community Forums: SAP Community and other forums can be helpful to see if other users have encountered similar issues and how they resolved them.
  
  By following these steps, you should be able to identify the cause of the ITOB351 error and implement a solution to resolve it.