How To Fix RSDD_LM006 - At least one provider is required as a union

RSDD_LM006 - Overview

• Message type: E = Error

• Message class: RSDD_LM - Messages for Lean Modeler (API and RSLIMO)

• Message number: 006

• Message text: At least one provider is required as a union

What causes this issue?

A CompositeProvider must have at least one union connection to a
provider.
A union connection is the basic prerequisite for a CompositeProvider.

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?

Insert at least one provider as a union.
If you only want to map a join, insert the first provider as a union.
You can then link further providers as joins.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

RSDD_LM006 - Details

• The SAP error message RSDD_LM006, which states "At least one provider is required as a union," typically occurs in the context of SAP BW (Business Warehouse) when working with InfoProviders, particularly when you are trying to create or modify a MultiProvider or a CompositeProvider.
  
  Cause:
  This error usually arises when you are attempting to create a MultiProvider or CompositeProvider without including any valid InfoProviders. The system expects at least one InfoProvider to be included in the union operation, and if none are specified, it triggers this error.
  
  Solution:
  To resolve the RSDD_LM006 error, follow these steps:
  
  
  Check the InfoProvider Configuration:
  
  Open the MultiProvider or CompositeProvider in the SAP BW modeling tools.
  Ensure that you have added at least one valid InfoProvider (e.g., InfoCube, DataStore Object, or another MultiProvider) to the union.
  
  
  
  Add InfoProviders:
  
  If no InfoProviders are present, click on the option to add InfoProviders.
  Select the appropriate InfoProviders that you want to include in the union.
  
  
  
  Validate the Model:
  
  After adding