How To Fix CP459 - Do you want to enter an activity type for standard value &?

CP459 - Overview

• Message type: E = Error

• Message class: CP - Task list messages: Core data

• Message number: 459

• Message text: Do you want to enter an activity type for standard value &?

What causes this issue?

You have not entered an activity type for standard value &V1&.
An activity type for a standard value
<ZH>may</> be maintained if the rule for maintaining the standard value
in the work center is <ZH>2</> (should be entered)
or
<ZH>must</> be maintained if the rule for maintaining the standard value
is <ZH>3</> (must be entered).

How to fix this error?

Enter an activity type for standard value &V1&.
If the field is not ready for entry, inconsistencies exist in the work
center between the rule for maintaining standard value &V1&, the
activity type and your reference indicator.
Remove any inconsistencies in your work center as follows:
Enter the activity type in the work center
or
deselect the reference indicator for the activity type
or
change the rule for maintenance for the standard value to "0" or "1".

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CP459 - Do you want to enter an activity type for standard value &? ?

  The SAP error message CP459 typically occurs in the context of production planning and controlling, particularly when dealing with activity types and standard values in cost planning. This message indicates that the system is prompting the user to enter an activity type for a standard value that has not been specified.
  
  Cause:
  The error message CP459 is triggered when:
  
  You are trying to create or modify a cost planning scenario, and the system detects that a standard value is missing for an activity type.
  The activity type is required for the calculation of costs, but it has not been defined in the system for the specific operation or process you are working on.
  
  
  Solution:
  To resolve the CP459 error, you can follow these steps:
  
  
  Check Activity Type Configuration:
  
  Go to the configuration settings for activity types in SAP (Transaction code: OCA0 or OPL8).
  Ensure that the activity type you are trying to use is properly defined and has standard