How To Fix T9S000 - Negative time periods are not allowed

T9S000 - Overview

• Message type: E = Error

• Message class: T9S - Time Stream

• Message number: 000

• Message text: Negative time periods are not allowed

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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T9S000 - Details

• 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