How To Fix AH851 - Lower limit of interval &1 must be <= time basis of &2 days

SAP Error Message - Details

• Message type: E = Error

• Message class: AH - IS-U billing (master data)

• Message number: 851

• Message text: Lower limit of interval &1 must be <= time basis of &2 days

What causes this issue?

The time basis of the price is converted to days if required for the
interval comparison (based on 12 months = 365 days). If necessary, the
lower limit is rounded down.

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?

Note that if you do not wish to use intervals, do not enter any values
in the fields <LS>Lower limit of interval</> and <LS>Upper limit of
interval</>.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message AH851 - Lower limit of interval &1 must be <= time basis of &2 days ?

  The SAP error message AH851 indicates that there is an issue with the configuration of time intervals in a specific process, likely related to time-based data processing or scheduling. The error message states that the lower limit of an interval must be less than or equal to the time basis defined in days.
  Cause:
  This error typically arises in scenarios where:
  
  Configuration Error: The lower limit of a time interval is set incorrectly in the configuration settings. For example, if you have defined a time interval for a process (like a report or a job) and the lower limit exceeds the defined time basis.
  Data Entry Error: During data entry, the user may have inputted an incorrect value for the lower limit of the interval.
  Inconsistent Settings: There may be inconsistencies between different configuration settings that define time intervals.
  
  Solution:
  To resolve the AH851 error, you can take the following steps:
  
  
  Check Configuration Settings:
  
  Navigate to the relevant configuration settings in SAP where the time intervals are defined.
  Verify the values for the lower limit of the interval and the time basis. Ensure that the lower limit is less than or equal to the time basis.
  
  
  
  Adjust Values:
  
  If the lower limit is incorrectly set, adjust it to a value that is less than or equal to the time basis.
  If necessary, consult with your SAP administrator or functional consultant to understand the correct values to use.
  
  
  
  Review Related Documentation:
  
  Check any related documentation or guidelines for setting up time intervals in your specific SAP module (e.g., SAP HR, SAP PM, etc.).
  
  
  
  Test Changes:
  
  After making adjustments, test the changes to ensure that the error no longer occurs and that the process functions as expected.
  
  
  
  Consult SAP Notes:
  
  If the issue persists, consider searching for relevant SAP Notes or support documentation that may provide additional insights or solutions.
  
  
  
  Related Information:
  
  SAP Modules: This error can occur in various SAP modules, including HR, PM, and others that involve time-based processing.
  Transaction Codes: Depending on the module, you may need to use specific transaction codes to access configuration settings (e.g., SPRO for configuration).
  User Roles: Ensure that you have the necessary permissions to make changes to configuration settings in SAP.
  
  If you continue to experience issues after following these steps, it may be beneficial to reach out to SAP support or your internal IT team for further assistance.