How To Fix AJ689 - Start date cannot be determined

SAP Error Message - Details

• Message type: E = Error

• Message class: AJ - Billing program

• Message number: 689

• Message text: Start date cannot be determined

What causes this issue?

You tried to start a simulation with a
<DS:GLOS.3526B822AFAB52B9E10000009B38F974>due date</> using the variant
<DS:FU.QUANTI26>QUANTI26</>. However, the system could not find a
document line item containing a date, which can be used as the
start date for the current simulation.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

INCLUDE ISU_VERARB OBJECT DOKU ID TX

How to fix this error?

Change the schema so that the first simulation to the due date begins at
the start of the billing period.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message AJ689 - Start date cannot be determined ?

  The SAP error message AJ689, which states "Start date cannot be determined," typically occurs in the context of project management or when dealing with scheduling in SAP. This error indicates that the system is unable to determine a valid start date for a particular task, project, or activity. Here are some common causes, potential solutions, and related information:
  Causes:
  
  Missing Dependencies: The task may have dependencies that are not defined or are incomplete, preventing the system from calculating a start date.
  Incorrect Dates: The dates defined in the project or task may be incorrect or inconsistent, leading to confusion in the scheduling logic.
  Project Structure Issues: If the project structure is not properly set up (e.g., missing WBS elements or incorrect hierarchy), it can lead to this error.
  Resource Availability: If resources required for the task are not available, the system may not be able to determine a start date.
  Configuration Issues: There may be configuration settings in the project management module that are not set correctly.
  
  Solutions:
  
  Check Dependencies: Review the task dependencies and ensure that all predecessor tasks are correctly defined and completed.
  Validate Dates: Go through the project or task details and verify that all date fields (start date, finish date, etc.) are filled out correctly and logically.
  Review Project Structure: Ensure that the project structure is correctly set up, including all necessary WBS elements and their relationships.
  Resource Allocation: Check the availability of resources assigned to the task. If resources are not available, consider adjusting the schedule or reallocating resources.
  Configuration Review: Consult with your SAP administrator or project management team to review the configuration settings related to project scheduling and ensure they are set up correctly.
  Use Transaction Codes: Utilize relevant transaction codes (like CJ20N for project management) to navigate and check the project details.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  Documentation: Refer to SAP documentation for project management and scheduling to understand the requirements for setting up tasks and projects correctly.
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP support team or a consultant who specializes in SAP project management.