SAP Knowledge Base Article - Public

2269318 - Project Task duration is not editable.


You are unable to edit the duration of a Project Task.

Reproducing the Issue

  1. Go to Project Management work center.
  2. Choose Projects view.
  3. Search and find the Project XYZ.
  4. Choose Edit, then Project Plan.
  5. Search Project Task XYZ -1.
  6. You can see the duration is not editable.


The duration of the project task is not editable when at least one of the following cases is true:

  • The project task has sub-tasks below it.
  • The project task contains a milestone.
  • The project task's start constraint type is maintained as Must Start On and the finish constraint type is maintained as Must End On.


System works as designed.


KBA , AP-SLO , Sales Order Processing , How To


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