How To Fix PS4S007 - Unable to determine a suitable reconciliation key

PS4S007 - Overview

• Message type: E = Error

• Message class: PS4S - Social Services: Messages

• Message number: 007

• Message text: Unable to determine a suitable reconciliation key

What causes this issue?

A serious error occurred during automatic assignment of the
reconciliation key. The system was unable to find any open and unlocked
reconciliation keys. The system could not create documents that are to
be created with this reconciliation key.

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?

If you have your own implementation for this BADI: Reconciliation key,
check your implementation.
Increase the value for the number of searches by reconciliation keys
(data element PS4S_FIKEY_REPETITION_NO). You define this value during
mass processing for creating FI-CA documents in the field "Mass
processing parameter 1". (Default value for a reconciliation key record
size of 100 is 100).

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 PS4S007 - Unable to determine a suitable reconciliation key ?

  The SAP error message PS4S007: Unable to determine a suitable reconciliation key typically occurs in the context of Project System (PS) and can arise during various processes, such as when trying to settle costs or during the execution of certain transactions related to project accounting.
  
  Cause:
  The error usually indicates that the system is unable to find a valid reconciliation key for the project or the cost object you are working with. This can happen due to several reasons, including:
  
  Missing Configuration: The reconciliation key may not be properly configured in the system for the specific project or cost object.
  Incorrect Assignment: The project or cost object may not be correctly assigned to a controlling area or may not have the necessary settings for reconciliation.
  Data Inconsistencies: There may be inconsistencies in the master data or transaction data related to the project or cost object.
  Missing Master Data: Required master data (like cost centers, internal orders,