How To Fix /ISDFPS/OM036 - New start date is before the object start date

SAP Error Message - Details

• Message type: E = Error

• Message class: /ISDFPS/OM -

• Message number: 036

• Message text: New start date is before the object start date

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /ISDFPS/OM036 - New start date is before the object start date ?

  The SAP error message /ISDFPS/OM036 New start date is before the object start date typically occurs in the context of SAP's Integrated Business Planning (IBP) or similar modules where scheduling and planning are involved. This error indicates that the new start date you are trying to set for a particular object (like a project, task, or order) is earlier than the existing start date defined for that object.
  Cause:
  
  Date Conflict: The new start date you are trying to assign is earlier than the current start date of the object.
  Data Entry Error: There may have been a mistake in entering the new start date.
  Business Logic: The system may have business rules that prevent changing the start date to an earlier date to maintain data integrity.
  
  Solution:
  
  Check Current Start Date: Review the current start date of the object in question. You can do this by navigating to the relevant transaction or report in SAP.
  Adjust New Start Date: If the new start date is indeed earlier than the current start date, you will need to either:
  
  Change the new start date to a date that is equal to or later than the current start date.
  If you need to change the start date to an earlier date for a valid reason, you may need to first change the current start date to a later date before making the new change.
  
  
  Review Business Rules: Check if there are any specific business rules or configurations that might be enforcing this restriction. You may need to consult with your SAP administrator or functional consultant.
  Consult Documentation: Refer to the SAP documentation or help files related to the specific module you are working with for any additional context or guidelines.
  
  Related Information:
  
  Transaction Codes: Depending on the module, you may be using different transaction codes (e.g., CJ20N for project management, CO02 for order management).
  User Authorizations: Ensure that you have the necessary authorizations to make changes to the object in question.
  SAP Notes: Check for any relevant SAP Notes that might address this error or provide additional context.
  Testing in a Sandbox: If possible, replicate the issue in a test or sandbox environment to better understand the cause and test potential solutions without affecting production data.
  
  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.