How To Fix CACSAC104 - Technical error: incorrect call of module CACS00_DOC_POST2

SAP Error Message - Details

• Message type: E = Error

• Message class: CACSAC - Messages for Read Modules for Commission Documents

• Message number: 104

• Message text: Technical error: incorrect call of module CACS00_DOC_POST2

What causes this issue?

The function module <APPL>_DOC_POST2 (for internal use only) was called
incorrectly.

System Response

The document cannot be updated; processing is canceled.

How to fix this error?

An error in the standard source text has occurred. Contact SAP support
for an analysis and solution to the problem.
<ZH>Note</> that module <APPL>_DOC_POST2 is not released for use by
customers. To create documents, use a function module such as
<APPL>_DOCUMENT.

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 CACSAC104 - Technical error: incorrect call of module CACS00_DOC_POST2 ?

  The SAP error message CACSAC104, which indicates a "Technical error: incorrect call of module CACS00_DOC_POST2," typically arises in the context of SAP's Contract Accounts Receivable and Payable (FI-CA) module. This error can occur due to various reasons, including configuration issues, data inconsistencies, or problems with the underlying program logic.
  Possible Causes:
  
  Incorrect Configuration: The configuration settings for the FI-CA module may not be set up correctly, leading to issues when trying to post documents.
  Data Inconsistencies: There may be inconsistencies in the data being processed, such as missing or incorrect entries in the relevant tables.
  Custom Code Issues: If there are custom enhancements or modifications in the system, they might interfere with the standard processing of the module.
  Authorization Issues: The user may not have the necessary authorizations to perform the action that triggered the error.
  System Bugs: There could be bugs in the SAP system or specific patches that need to be applied.
  
  Solutions:
  
  Check Configuration: Review the configuration settings for the FI-CA module to ensure they are set up correctly. This includes checking the settings for document types, account types, and posting rules.
  Data Validation: Validate the data being processed. Check for missing or incorrect entries in the relevant tables (e.g., customer accounts, contract accounts).
  Review Custom Code: If there are any custom enhancements, review the code to ensure it does not interfere with the standard processing. Debugging the custom code may help identify the issue.
  Authorization Check: Ensure that the user has the necessary authorizations to perform the action. You can check this in transaction SU53 or by consulting with your security team.
  SAP Notes and Patches: Check the SAP Support Portal for any relevant SAP Notes or patches that address this specific error. Applying the latest patches may resolve known issues.
  Debugging: If you have access to debugging tools, you can set breakpoints in the module CACS00_DOC_POST2 to analyze the flow and identify where the error occurs.
  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 actions, and any relevant logs.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE80 (Object Navigator), SE37 (Function Module), and SE11 (Data Dictionary) for debugging and analysis.
  Documentation: Review SAP documentation related to the FI-CA module for insights into configuration and common issues.
  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 potentially resolve the CACSAC104 error in your SAP system.