How To Fix T9S000 - Negative time periods are not allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: T9S - Time Stream

• Message number: 000

• Message text: Negative time periods are not allowed

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message T9S000 - Negative time periods are not allowed ?

  The SAP error message T9S000, which states "Negative time periods are not allowed," typically occurs in the context of time management or time evaluation processes within SAP. This error indicates that there is an attempt to process a time period that results in a negative value, which is not permissible in the system.
  Causes:
  
  Incorrect Time Data Entry: The most common cause is incorrect data entry for time-related fields, such as start and end times for work periods, which may lead to negative durations.
  Configuration Issues: There may be issues in the configuration of time management settings, such as work schedules, time types, or absence types that do not align correctly.
  Time Evaluation Settings: If the time evaluation settings are not properly configured, it can lead to calculations that result in negative time periods.
  Absence or Leave Management: If an employee's absence is recorded incorrectly, it may lead to a situation where the system calculates a negative time period.
  Data Migration Issues: If data has been migrated from another system, there may be inconsistencies or errors in the time data that lead to this error.
  
  Solutions:
  
  Check Time Entries: Review the time entries for the employee or period in question. Ensure that start and end times are correctly entered and that they do not result in negative durations.
  Review Configuration: Check the configuration settings for time management in SAP. Ensure that work schedules, time types, and absence types are set up correctly.
  Validate Time Evaluation: If you are using time evaluation, validate the settings and ensure that they are correctly configured to handle the time data.
  Correct Absence Records: If the error is related to absence records, review and correct any discrepancies in the absence data.
  Run Time Evaluation Again: After making corrections, run the time evaluation process again to see if the error persists.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on the configuration and handling of time management issues.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like PA30 (Maintain HR Master Data), PT60 (Time Evaluation), or PT50 (Time Management) to review and correct time data.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide patches or updates to resolve known issues.
  User Roles and Authorizations: Ensure that the user has the necessary roles and authorizations to make changes to time data and configurations.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or a technical consultant who specializes in SAP time management.