How To Fix C1309 - Interval values not possible

SAP Error Message - Details

• Message type: E = Error

• Message class: C1 - Characteristics maintenance messages

• Message number: 309

• Message text: Interval values not possible

What causes this issue?

You tried to define a numeric template which started with a period
or comma.

How to fix this error?

A numeric template can only begin with a figure or a plus or minus
sign.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message C1309 - Interval values not possible ?

  The SAP error message C1309, "Interval values not possible," typically occurs in the context of scheduling or planning activities within SAP, particularly when dealing with time intervals or ranges that are not valid or cannot be processed by the system. This error can arise in various modules, including Production Planning (PP), Project System (PS), or other areas where time intervals are defined.
  Causes:
  
  Invalid Time Intervals: The specified start and end times for a task or activity may not be valid. For example, the end time may be earlier than the start time.
  Incorrect Configuration: The configuration settings for the relevant module may not allow for the specified intervals.
  Data Entry Errors: User input errors when entering dates or times can lead to invalid intervals.
  System Limitations: There may be system-imposed limitations on the intervals that can be used, such as minimum or maximum allowable values.
  
  Solutions:
  
  Check Time Intervals: Review the time intervals you have entered. Ensure that the start time is before the end time and that both times are within acceptable limits.
  Review Configuration Settings: Check the configuration settings in the relevant module to ensure that they allow for the specified intervals. This may involve consulting with a system administrator or SAP consultant.
  Correct Data Entry: If the error is due to incorrect data entry, correct the values and try again.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidelines on valid interval values for the module you are working with.
  Debugging: If you have access to debugging tools, you can trace the error to see where the invalid interval is being generated.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions to common problems.
  Transaction Codes: Familiarize yourself with relevant transaction codes that may help in troubleshooting, such as SE80 (Object Navigator) or SE37 (Function Module).
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  If the problem persists after trying the above solutions, it may be beneficial to reach out to your SAP support team or a consultant for further assistance.