How To Fix UPF044 - Function module &1 for the initialization does not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: UPF - Planning Functions

• Message number: 044

• Message text: Function module &1 for the initialization does not exist

What causes this issue?

When defining the planning function, you have the option of specifying
a function module, which is then called up when a planning function is
carried out. This function module &V1& does not exist.

System Response

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

How to fix this error?

Check the definition of the planning function.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.