How To Fix 1G639 - Retroactively changed Valid-To date not in allowed range

1G639 - Overview

• Message type: E = Error

• Message class: 1G - BKK: Konditionen

• Message number: 639

• Message text: Retroactively changed Valid-To date not in allowed range

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 1G639 - Retroactively changed Valid-To date not in allowed range ?

  The SAP error message 1G639 ("Retroactively changed Valid-To date not in allowed range") typically occurs in the context of personnel administration or time management when there is an attempt to change a validity date for a record (such as an infotype) that is outside the allowed range defined in the system.
  
  Cause:
  This error usually arises due to one of the following reasons:
  
  Invalid Date Range: The Valid-To date being set is earlier than the Valid-From date or is outside the permissible range defined in the system settings.
  Retroactive Changes: The system does not allow retroactive changes to certain infotypes or records beyond a specific date, which is often set in the configuration.
  Configuration Settings: The configuration settings for the infotype may restrict changes to certain periods, especially if they are related to payroll or time management.
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  Check Validity Dates: Ensure that the Valid-To date you are