How To Fix T4170 - Frequency & is not allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: T4 - Time deposit processing

• Message number: 170

• Message text: Frequency & is not allowed

What causes this issue?

Frequency & is not supported with this function.

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?

Use another frequency.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message T4170 - Frequency & is not allowed ?

  The SAP error message T4170 ("Frequency & is not allowed") typically occurs in the context of scheduling or planning activities within SAP, particularly in modules like SAP PM (Plant Maintenance) or SAP PS (Project System). This error indicates that the frequency specified for a maintenance plan or scheduling activity is not valid or not allowed based on the configuration settings.
  Causes:
  
  Invalid Frequency Value: The frequency value entered may not conform to the allowed values defined in the system.
  Configuration Issues: The frequency settings in the configuration may not be set up correctly, leading to the rejection of certain frequency values.
  Master Data Issues: The master data associated with the maintenance plan or scheduling activity may not be correctly defined, leading to conflicts with the frequency settings.
  Custom Settings: If there are custom developments or enhancements in the system, they may impose additional restrictions on frequency values.
  
  Solutions:
  
  Check Frequency Value: Verify the frequency value you are trying to enter. Ensure it is within the allowed range and format as defined in the system.
  Review Configuration: Go to the configuration settings for maintenance plans or scheduling in SPRO (SAP Project Reference Object) and check the allowed frequency settings. Make adjustments if necessary.
  
  Path: SPRO > Plant Maintenance and Customer Service > Maintenance Planning > Maintenance Plans > Define Maintenance Plan Types
  
  
  Validate Master Data: Ensure that the master data (like task lists, maintenance plans, etc.) is correctly set up and does not conflict with the frequency settings.
  Consult Documentation: Review SAP documentation or help files related to maintenance planning and scheduling for any specific guidelines on frequency settings.
  Check for Custom Enhancements: If your organization has custom enhancements, consult with your ABAP team or SAP support to see if any custom logic is affecting frequency validation.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. You can search for T4170 in the SAP Support Portal.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as IP01 (Create Maintenance Plan), IP02 (Change Maintenance Plan), and IP03 (Display Maintenance Plan) to troubleshoot the issue.
  User Exits and BAdIs: If there are user exits or BAdIs implemented in your system, they may affect how frequency values are validated. Review these if applicable.
  
  If the issue persists after checking the above points, it may be beneficial to reach out to your SAP support team or consult with an SAP expert for further assistance.