How To Fix X4504 - Operation/phase with duration zero

X4504 - Overview

• Message type: E = Error

• Message class: X4 - APO Core Interface: Interfaces for Manufacturing Orders

• Message number: 504

• Message text: Operation/phase with duration zero

What causes this issue?

The operation or the phase has no duration.

System Response

Operations/phases that have no duration are not transferred to the APO
system.

How to fix this error?

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

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 X4504 - Operation/phase with duration zero ?

  The SAP error message X4504, which states "Operation/phase with duration zero," typically occurs during the execution of a project or task in SAP, particularly in the context of project management or production planning. This error indicates that there is an operation or phase defined in the system that has a duration set to zero, which is not valid for processing.
  
  Cause:
  
  Incorrect Data Entry: The most common cause is that during the creation or modification of a project, operation, or task, the duration was inadvertently set to zero.
  Missing Configuration: In some cases, the configuration of the project or operation may not have been completed correctly, leading to a default duration of zero.
  System Bugs or Inconsistencies: Occasionally, bugs or inconsistencies in the system can lead to this error, especially after updates or changes to the system.
  
  
  Solution:
  
  
  Check Operation/Phase Settings:
  
  Navigate to the relevant project or operation in the SAP system.
  Verify the duration settings for each