How To Fix KZ404 - System error: Error in function module 'DATE_TO_PERIOD_CONVERT'

SAP Error Message - Details

• Message type: E = Error

• Message class: KZ - Cost Object Repetitive Mfg / Process Mfg

• Message number: 404

• Message text: System error: Error in function module 'DATE_TO_PERIOD_CONVERT'

What causes this issue?

A system error occurred.

How to fix this error?

Please inform your system administrator.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KZ404 - System error: Error in function module 'DATE_TO_PERIOD_CONVERT' ?

  The SAP error message KZ404, which states "System error: Error in function module 'DATE_TO_PERIOD_CONVERT'," typically occurs when there is an issue with date conversion in the context of period management in SAP. This error can arise in various scenarios, such as during posting, reporting, or when executing certain transactions that involve date and period calculations.
  Causes:
  
  Invalid Date Format: The date being processed may not be in the expected format or may be out of range.
  Period Not Open: The fiscal period for the date being processed may not be open for posting.
  Configuration Issues: There may be issues with the configuration of the fiscal year variant or period settings in the system.
  Data Consistency Issues: There may be inconsistencies in the data that the function module is trying to process.
  System Bugs: Occasionally, this error can be caused by bugs in the SAP system or specific patches that have not been applied.
  
  Solutions:
  
  Check Date Format: Ensure that the date being used is in the correct format and is valid. For example, check if the date is within the range of the fiscal year.
  Verify Period Status: Check if the fiscal period is open for posting. You can do this by navigating to the transaction code OB52 (Maintain Fiscal Year Variant) and verifying the status of the periods.
  Review Configuration: Ensure that the fiscal year variant and period settings are correctly configured. This includes checking the settings in transaction code OB29 (Define Fiscal Year Variant).
  Data Consistency Check: Run consistency checks on the relevant data to ensure there are no discrepancies. This can include checking for missing or incorrect entries in related tables.
  SAP Notes and Patches: Check the SAP Support Portal for any relevant notes or patches that address this specific error. Applying the latest support packages or patches may resolve the issue.
  Debugging: If you have access to debugging tools, you can analyze the function module to identify the exact point of failure and gather more information about the error.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as OB52 (for period control) and OB29 (for fiscal year variant).
  SAP Support: If the issue persists, consider reaching out to SAP Support with detailed information about the error, including the context in which it occurs and any relevant logs or screenshots.
  User Forums: Check SAP community forums or other user groups for similar issues and potential solutions shared by other users.
  
  By following these steps, you should be able to diagnose and resolve the KZ404 error in your SAP system.