How To Fix ICA02031 - A second data source is required. No valid one available.

ICA02031 - Overview

• Message type: E = Error

• Message class: ICA02 - ICA Matching Engine Message Class

• Message number: 031

• Message text: A second data source is required. No valid one available.

What causes this issue?

The data source has the same field defined as leading unit field and
partner unit field. Therefore, a second data source is required.
However, no valid data source can be found that meets the following
criteria:
Have the leading unit field and partner unit field same with the first
data source
Have the identical filter fields and conditions as the first data source
Have the same <LS>Authorization Object for Unit </>field as the first
data source

How to fix this error?

Use the <LS>Maintain Data Sources</> configuration step (SSCUI) to
create or change the relevant data sources as required.


Use the transaction code ICADS (<LS>Maintain Data Sources</>) to create
or change the relevant data sources as required.

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

Error message extract from SAP system. Copyright SAP SE.

ICA02031 - Details

• The SAP error message ICA02031, which states "A second data source is required. No valid one available," typically occurs in the context of SAP Integrated Business Planning (IBP) or SAP Analytics Cloud (SAC) when a data source is expected but not found. This error can arise in various scenarios, such as when trying to create a planning view, running a data import, or executing a report that requires multiple data sources.
  Causes:
  
  Missing Data Source: The primary cause of this error is that the system expects a second data source to be defined, but it is either not configured or not available.
  
  Configuration Issues: There may be issues with the configuration of the data sources in the planning model or the data integration settings.
  Data Source Incompatibility: The data sources being used may not be compatible with each other or with the specific operation being performed.
  User Permissions: The user may not have the necessary