How To Fix GP539 - Enter a sender activity type or a group

GP539 - Overview

• Message type: E = Error

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

• Message number: 539

• Message text: Enter a sender activity type or a group

What causes this issue?

In activity input planning, you can enter either a single sender
activity or a sender activity group. You cannot however enter both
options.

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?

Delete either the single sender activity or the group of sender
activities, or
Enter a value in one of the fields.

Error message extract from SAP system. Copyright SAP SE.

GP539 - Details

• The SAP error message GP539, which states "Enter a sender activity type or a group," typically occurs in the context of SAP's Human Capital Management (HCM) module, particularly when dealing with personnel cost planning or activity allocation.
  
  Cause:
  This error usually arises when the system expects a sender activity type or a group to be specified in a transaction or report, but it has not been provided. This can happen in various scenarios, such as:
  
  Missing Input: The user has not entered a sender activity type or group in the relevant fields.
  
  Configuration Issues: The system may not be properly configured to recognize the sender activity types or groups.
  Authorization Issues: The user may not have the necessary authorizations to access or view the sender activity types or groups.
  
  
  Solution:
  To resolve the GP539 error, you can take the following steps:
  
  
  Check Input Fields: Ensure that you have entered a valid sender activity type or group in the