How To Fix RQ406 - Only the reference activities HRRES, HRPRE and HRCOM are allowed

RQ406 - Overview

• Message type: E = Error

• Message class: RQ - Messages for Cash Management and Forecast

• Message number: 406

• Message text: Only the reference activities HRRES, HRPRE and HRCOM are allowed

What causes this issue?

The following reference activities are used from the HR commitment to
generate earmarked funds documents:
HRRES Funds reservation
HRPRE Funds precommitment
HRCOM Funds commitment
HRBLK Funds blocks

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

The first three are relevant for Cash Management. Funds blocks are not
updated in Cash Management.

System Response

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message RQ406 - Only the reference activities HRRES, HRPRE and HRCOM are allowed ?

  The SAP error message RQ406 ("Only the reference activities HRRES, HRPRE and HRCOM are allowed") typically occurs in the context of SAP's Project System (PS) or when dealing with resource management in Human Capital Management (HCM). This error indicates that the system is expecting specific reference activities related to HR (Human Resources) but has encountered an invalid activity.
  
  Cause:
  The error is triggered when an attempt is made to assign or reference an activity that is not one of the allowed reference activities (HRRES, HRPRE, HRCOM). This can happen due to:
  
  Incorrect Activity Type: The activity being referenced is not one of the predefined HR activities.
  
  Configuration Issues: There may be a configuration issue in the project or resource management settings.
  Data Entry Errors: Mistakes in data entry when creating or modifying project activities.
  
  
  Solution:
  To resolve the RQ406 error, you can take the following steps:
  
  
  Check Activity Type: Ensure that the activity you are trying to reference