How To Fix 5B401 - End time must follow start time

SAP Error Message - Details

• Message type: E = Error

• Message class: 5B -

• Message number: 401

• Message text: End time must follow start time

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message 5B401 - End time must follow start time ?

  The SAP error message 5B401 ("End time must follow start time") typically occurs when there is a discrepancy between the start and end times in a time-related transaction, such as when entering time data for work schedules, time sheets, or project management.
  Cause:
  The error arises when the end time entered is earlier than or the same as the start time. This can happen due to:
  
  Incorrect data entry (e.g., mistyping the time).
  Time format issues (e.g., entering times in an incorrect format).
  Overlapping time entries that conflict with existing records.
  
  Solution:
  To resolve the error, you should:
  
  Check the Time Entries: Review the start and end times you have entered. Ensure that the end time is later than the start time.
  Correct the Format: Make sure that the times are entered in the correct format as required by the system (e.g., HH:MM).
  Adjust Overlapping Entries: If there are overlapping time entries, adjust them to ensure that there are no conflicts.
  Validation: After making corrections, validate the entries again to ensure that the error does not reoccur.
  
  Related Information:
  
  Transaction Codes: This error can occur in various transactions, such as CATS (Cross-Application Time Sheets), HR time management, or project management transactions.
  User Roles: Ensure that the user has the appropriate permissions to enter or modify time data.
  SAP Notes: Check for any relevant SAP Notes or documentation that may provide additional context or updates related to this error.
  Testing: If you are testing a new configuration or implementation, ensure that the time validation rules are correctly set up in the system.
  
  If the issue persists after checking the above points, it may be beneficial to consult with your SAP support team or refer to SAP documentation for further troubleshooting steps.