How To Fix 88779 - Start date must be &1, not &2

SAP Error Message - Details

• Message type: E = Error

• Message class: 88 - REA Processing

• Message number: 779

• Message text: Start date must be &1, not &2

What causes this issue?

The assortment declartion has to be performed with a start date which
prevents a gap being created to the prior declaration.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message 88779 - Start date must be &1, not &2 ?

  The SAP error message 88779, which states "Start date must be &1, not &2," typically occurs in the context of scheduling or planning activities within SAP, such as in project management, production planning, or maintenance planning. This error indicates that the system expects a specific start date for a task or activity, but the date provided does not match the expected date.
  Cause:
  
  Incorrect Date Input: The user may have entered a start date that does not align with the expected date defined in the system.
  Configuration Issues: There may be configuration settings in the system that dictate specific start dates based on certain criteria (e.g., project phases, resource availability).
  Dependencies: The task may have dependencies on other tasks or activities that dictate when it can start.
  Data Consistency: There may be inconsistencies in the data, such as changes in project timelines or resource allocations that have not been updated in the system.
  
  Solution:
  
  Verify Input: Check the start date you have entered and ensure it matches the expected date indicated in the error message.
  Review Dependencies: Look at any dependencies or constraints that may affect the start date of the task. Ensure that all prerequisite tasks are completed or that the conditions for starting the task are met.
  Consult Configuration: If you have access, review the configuration settings related to the scheduling of tasks or activities to ensure they are set up correctly.
  Update Data: If there have been changes to project timelines or resource allocations, ensure that all relevant data is updated in the system to reflect these changes.
  Seek Help: If you are unable to resolve the issue, consider reaching out to your SAP support team or consulting the SAP documentation for further guidance.
  
  Related Information:
  
  Transaction Codes: Depending on the context, you may be using transaction codes like CJ20N (Project Builder), CO01 (Create Production Order), or IW31 (Create Maintenance Order).
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  User Documentation: Refer to user manuals or training materials specific to the module you are working with for more context on date handling and scheduling.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.