How To Fix /PM0/APP_FBSI_MSG008 - Error in derivation of durations: Start date is not a valid date

SAP Error Message - Details

• Message type: E = Error

• Message class: /PM0/APP_FBSI_MSG -

• Message number: 008

• Message text: Error in derivation of durations: Start 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.

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

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message /PM0/APP_FBSI_MSG008 - Error in derivation of durations: Start date is not a valid date ?

  The SAP error message /PM0/APP_FBSI_MSG008 indicates that there is an issue with the derivation of durations in a process, specifically that the start date provided is not recognized as a valid date. This error typically occurs in the context of project management or planning within SAP, particularly when dealing with scheduling or resource allocation.
  Causes:
  
  Invalid Date Format: The date may not be in the expected format (e.g., DD/MM/YYYY vs. MM/DD/YYYY).
  Null or Empty Date: The start date field may be empty or null, leading to the error.
  Incorrect Data Entry: The date may have been entered incorrectly, such as using a future date that is not allowed or a date that does not exist (e.g., February 30).
  System Settings: There may be configuration settings in the SAP system that restrict certain date ranges or formats.
  Data Type Mismatch: The field may be expecting a date type, but the input is in a different format (e.g., string).
  
  Solutions:
  
  Check Date Format: Ensure that the date is entered in the correct format as per the system's configuration.
  Validate Date Entry: Verify that the date is not empty and is a valid date. Check for typos or incorrect entries.
  Review System Settings: Check the configuration settings in SAP to ensure that there are no restrictions on the date range or format.
  Use Date Picker: If available, use the date picker tool in the SAP interface to select the date, which can help avoid format issues.
  Debugging: If you have access to debugging tools, you can trace the process to see where the date is being derived from and identify any issues in the logic.
  Consult Documentation: Review SAP documentation or help resources for any specific guidelines related to date handling in the module you are working with.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  User Forums: Look for discussions in SAP community forums where other users may have encountered and resolved similar issues.
  Transaction Codes: Familiarize yourself with relevant transaction codes (e.g., CJ20N for project management) to navigate and troubleshoot effectively.
  Testing: If possible, test the changes in a development or test environment before applying them to production.
  
  If the issue persists after trying the above solutions, it may be beneficial to reach out to your SAP support team or consult with an SAP expert for further assistance.