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