How To Fix X4504 - Operation/phase with duration zero

SAP Error Message - Details

• 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 operation or phase. Ensure that all operations have a valid duration greater than zero.
  
  
  
  Update Duration:
  
  If you find any operation or phase with a duration of zero, update it to a valid duration. This can usually be done in the project management or production planning module.
  
  
  
  Review Project Structure:
  
  Ensure that the overall project structure is correctly defined and that all dependencies and relationships between operations are properly set.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for specific guidance on the project or module you are working with.
  
  
  
  Check for System Updates:
  
  If the issue persists, check if there are any known bugs or patches related to your version of SAP that might address this issue.
  
  
  
  Contact SAP Support:
  
  If you are unable to resolve the issue, consider reaching out to SAP support for assistance. Provide them with details about the error and the context in which it occurs.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CJ20N (Project Builder) or CJI3 (Project Actual Line Items) to navigate and check project details.
  SAP Notes: Search for SAP Notes related to error X4504 in the SAP Support Portal, as there may be specific notes addressing this error.
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify and resolve the cause of the X4504 error in your SAP system.