How To Fix CY170 - Error when determining the period for a date

SAP Error Message - Details

• Message type: E = Error

• Message class: CY - Capacity Requirements Planning

• Message number: 170

• Message text: Error when determining the period for a date

What causes this issue?

Internal error

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

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Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CY170 - Error when determining the period for a date ?

  The SAP error message CY170 typically occurs when there is an issue with determining the period for a given date in the context of controlling (CO) or financial accounting (FI) modules. This error can arise due to various reasons, including configuration issues, date settings, or missing data.
  Cause of CY170 Error
  
  Invalid Date: The date provided may not fall within an open posting period or may be outside the defined fiscal year.
  Period Control Settings: The period control settings in the system may not be correctly configured, leading to issues in period determination.
  Fiscal Year Variant: The fiscal year variant assigned to the company code may not be set up correctly, or the date may not correspond to any defined periods.
  Missing Master Data: Required master data (like cost centers, internal orders, etc.) may be missing or incorrectly configured.
  System Configuration: There may be issues with the configuration of the controlling area or other related settings.
  
  Solution to CY170 Error
  
  Check the Date: Ensure that the date you are using is valid and falls within an open posting period. You can check this in the transaction code OB52 (for posting periods).
  Review Fiscal Year Variant: Verify that the fiscal year variant assigned to your company code is correctly set up and that the periods are defined properly.
  Check Period Control Settings: Review the period control settings in the configuration to ensure they are set up correctly for the relevant controlling area.
  Validate Master Data: Ensure that all necessary master data is available and correctly configured. This includes checking cost centers, internal orders, and other relevant objects.
  Consult SAP Notes: Look for any relevant SAP Notes that may address this specific error. Sometimes, there are known issues or patches that can resolve the problem.
  System Logs: Check the system logs for any additional error messages or warnings that may provide more context about the issue.
  
  Related Information
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as OB52 (for posting periods), OKEQ (for controlling area settings), and OBA7 (for fiscal year variant).
  SAP Documentation: Refer to SAP Help documentation for detailed information on period control and fiscal year settings.
  Support: If the issue persists, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.
  
  By following these steps, you should be able to identify and resolve the CY170 error in your SAP system.