How To Fix TB426 - Start time must be before end time

SAP Error Message - Details

• Message type: E = Error

• Message class: TB - SM31 table maintenance messages

• Message number: 426

• Message text: Start time must be before end 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 TB426 - Start time must be before end time ?

  The SAP error message TB426 ("Start time must be before end time") typically occurs in scenarios where a time interval is being defined, such as in scheduling, planning, or time management functions. This error indicates that the start time you have entered is not earlier than the end time, which is a logical requirement for any time-based operation.
  Cause:
  
  Incorrect Time Input: The most common cause is that the start time has been entered incorrectly, either by mistake or due to a misunderstanding of the time format.
  Date Confusion: If the start and end times are on different dates, it’s possible that the date component is not being considered correctly.
  System Configuration: In some cases, system settings or configurations may lead to unexpected behavior in time handling.
  
  Solution:
  
  Check Input Values: Review the start and end times you have entered. Ensure that the start time is indeed earlier than the end time.
  Correct Format: Make sure that the time is entered in the correct format as expected by the system (e.g., HH:MM).
  Date Verification: If the times are on different dates, ensure that the start date is earlier than the end date.
  Adjust Time Zones: If your system is configured to handle multiple time zones, ensure that the times are being interpreted in the correct time zone.
  Validation Logic: If you are using a custom program or transaction, check the logic that validates the time inputs to ensure it is functioning correctly.
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for the specific module you are working with, as it may provide additional context or examples related to time handling.
  User Forums: SAP Community and other user forums can be helpful for finding similar issues faced by other users and their solutions.
  Transaction Codes: If this error occurs in a specific transaction, check if there are any known issues or patches related to that transaction code.
  
  If the problem persists after checking these aspects, it may be beneficial to consult with your SAP support team or a technical consultant who can provide deeper insights into the specific configuration and usage of your SAP system.