How To Fix GP560 - Enter an activity or a group

GP560 - Overview

• Message type: E = Error

• Message class: GP - FI-SL and CO planning

• Message number: 560

• Message text: Enter an activity or a group

What causes this issue?

In network planning, you can access the planning by entering either
a single activity or a group of activities. You cannot enter both.

System Response

The system does not continue processing.

How to fix this error?

Delete either the activity or the group, or
Enter a value in one of the two fields.

Error message extract from SAP system. Copyright SAP SE.

GP560 - Details

• The SAP error message GP560 ("Enter an activity or a group") typically occurs in the context of SAP's Project System (PS) or related modules where activities or groups are expected to be specified. This error indicates that the system requires you to enter either an activity or a group in a particular field, but it has not been provided.
  
  Cause:
  
  Missing Input: The most common cause is that the user has not entered any value in the required field for activity or group.
  Incorrect Field Selection: The user may be in a screen or transaction that requires an activity or group, but they are not in the correct context to provide that information.
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to view or select activities or groups, leading to this error.
  
  Configuration Issues: There may be configuration settings in the system that are not set up correctly, leading to the requirement