How To Fix 40105 - You can assign process instructions to phases only

40105 - Overview

• Message type: E = Error

• Message class: 40 - Messages for Process Orders

• Message number: 105

• Message text: You can assign process instructions to phases only

What causes this issue?

You cannot access the process instruction overview for operations. You
can maintain process instructions only for phases.

Error message extract from SAP system. Copyright SAP SE.

40105 - Details

• The SAP error message 40105, "You can assign process instructions to phases only," typically occurs in the context of SAP's process management or production planning modules, particularly when dealing with process instructions in the context of production orders or process orders.
  
  Cause:
  This error usually arises when you attempt to assign process instructions to a step or operation that is not a phase. In SAP, process instructions are specifically designed to be linked to phases in a process order, and if you try to assign them to a non-phase element (like a general operation or a different type of task), the system will throw this error.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check the Assignment: Ensure that you are trying to assign the process instructions to a valid phase in the process order. Review the structure of your process order to confirm that the target for the assignment is indeed