How To Fix /PM0/APP_FBSI_MSG009 - Error in derivation of durations: End date is not a valid date

/PM0/APP_FBSI_MSG009 - Overview

• Message type: E = Error

• Message class: /PM0/APP_FBSI_MSG -

• Message number: 009

• Message text: Error in derivation of durations: End date is not a valid date

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 /PM0/APP_FBSI_MSG009 - Error in derivation of durations: End date is not a valid date ?

  The SAP error message /PM0/APP_FBSI_MSG009 indicates that there is an issue with the derivation of durations in a project or maintenance order, specifically that the end date provided is not recognized as a valid date. This can occur in various scenarios, such as when working with project management, maintenance planning, or other modules that involve date calculations.
  Causes:
  
  Invalid Date Format: The end date may be entered in an incorrect format that SAP does not recognize.
  Date Out of Range: The end date might be set to a date that is outside the acceptable range defined in the system (e.g., before the start date or beyond the system's date limits).
  Missing Date Fields: Required date fields may not be filled in, leading to the system being unable to derive a valid end date.
  System 
  Configuration Issues: There may be configuration settings in the project or maintenance order that are causing the date validation to fail.
  Data