How To Fix BANK_CHDOC_TOOL099 - Internal error: Unexpected EXCEPTION in function module &1

SAP Error Message - Details

• Message type: E = Error

• Message class: BANK_CHDOC_TOOL - Change Document Tool FS

• Message number: 099

• Message text: Internal error: Unexpected EXCEPTION in function module &1

What causes this issue?

An internal program error has occurred. A function module has triggered
an EXCEPTION that the developer had not been expecting or that is not
permitted here.

System Response

The system cannot execute the required function.

How to fix this error?

Make a note of the:
Name of the function module
Transaction
Entries resulting in this error.
Send an error message to SAP, including these details.

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 BANK_CHDOC_TOOL099 - Internal error: Unexpected EXCEPTION in function module &1 ?

  The SAP error message "BANK_CHDOC_TOOL099 Internal error: Unexpected EXCEPTION in function module &1" typically indicates that there is an unexpected issue occurring within a specific function module in the SAP system. This error can arise from various underlying causes, and resolving it may require a systematic approach. Here are some potential causes, solutions, and related information:
  Possible Causes:
  
  Data Issues: There may be inconsistencies or corruption in the data being processed by the function module.
  Configuration Problems: Incorrect configuration settings in the banking or payment processing modules can lead to unexpected behavior.
  Custom Code: If there are custom enhancements or modifications in the function module, they may introduce errors.
  System Bugs: There could be a bug in the SAP system or the specific function module that is causing the exception.
  Authorization Issues: Lack of proper authorizations for the user executing the transaction can sometimes lead to unexpected exceptions.
  
  Solutions:
  
  Check SAP Notes: Look for relevant SAP Notes in the SAP Support Portal. There may be patches or updates available that address this specific error.
  Review Logs: Use transaction codes like SLG1 (Application Log) or ST22 (Dump Analysis) to check for detailed error logs and dumps that can provide more context about the exception.
  Data Validation: Validate the data being processed to ensure there are no inconsistencies or invalid entries.
  Configuration Review: Review the configuration settings related to the banking and payment processing modules to ensure they are set up correctly.
  Debugging: If you have access to the development environment, consider debugging the function module to identify the exact point of failure.
  Consult with SAP Support: If the issue persists and you cannot find a resolution, consider reaching out to SAP Support for assistance. Provide them with the error details and any relevant logs.
  
  Related Information:
  
  Function Module Documentation: Review the documentation for the specific function module mentioned in the error message to understand its purpose and expected behavior.
  Transaction Codes: Familiarize yourself with relevant transaction codes that may help in troubleshooting, such as SE37 (Function Module), SE80 (Object Navigator), and SE11 (Data Dictionary).
  User Authorizations: Ensure that the user has the necessary authorizations to execute the transaction or function module.
  
  Conclusion:
  Resolving the "BANK_CHDOC_TOOL099 Internal error: Unexpected EXCEPTION in function module &1" error requires a thorough investigation of the underlying causes. By following the suggested solutions and gathering more information, you can work towards identifying and fixing the issue. If necessary, do not hesitate to seek help from SAP Support for more complex problems.