BRAIN_DEV300 - Ambiguities for key figure &1 cannot be resolved. Remodelling required.

SAP Error Message - Details

• Message type: E = Error

• Message class: BRAIN_DEV - BRAIN messages (for use by development)

• Message number: 300

• Message text: Ambiguities for key figure &1 cannot be resolved. Remodelling required.

What causes this issue?

Key figure &V1& needs ambiguous join handling because there is a join
involved that causes ambiguities for this key figure. At the same time
<(>,<)> this key figure is mapped from several PartProviders or parts of
the union, and the ambiguities in these parts are different.
Example:
A CompositeProvider consists of 2 parts, and each of the parts consists
of a join:
( PP1 join B ) union ( PP2 join C )
A key figure amount is contained in PartProvider PP1 and PP2, and it is
contained in the CompositeProvider with a mapping from both PP1 and PP2.
PartProviders B and C have different characteristics. The
characteristics of B that are not join characteristics cause ambiguities
for amount from PP1, the characteristics of C that are not join
characteristics cause ambiguities for amount from PP2.
As the ambiguities are resolved in the analytic engine, the analytic
engine needs information about these ambiguities, and needs to treat
data from PP1 differently with respect to ambiguities than data from
PP2. This is currently not possible.

System Response

The system raises this warning during activation of the
CompositeProvider or MultiProvider, and when using such key figures in a
query.

How to fix this error?

The situation can be resolved with remodeling. Key figure &V1& in the
CompositeProvider has to be replaced: For each of the union parts or
PartProviders that have different ambiguities<(>,<)> a separate key
figure has to be exposed in the CompositeProvider or MultiProvider.
These key figures must not have exception aggregation.
A calculated key figure can then be defined that includes all these
separate key figures. If the original key figure has had exception
aggregation, the exception aggregation has to be defined with the
calculated key figure.
In the example above, replace the key figure amount in the
CompositeProvider with two different amount key figures:
amount_pp1 mapped from PP1
amount_pp2 from PP2
calculated key figure amount_ckf: amount_pp1 + amount_pp2.

Procedure for System Administrators

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.

AnswerBot

• What is the cause and solution for SAP error message BRAIN_DEV300 - Ambiguities for key figure &1 cannot be resolved. Remodelling required. ?

  The SAP error message BRAIN_DEV300 indicates that there are ambiguities in the key figure definitions in your SAP BW (Business Warehouse) system. This typically occurs when there are multiple definitions or conflicting settings for a key figure, which prevents the system from determining how to process or aggregate the data correctly.
  Cause:
  
  Multiple Definitions: The key figure may have been defined in multiple InfoProviders or queries, leading to conflicts.
  Changes in Data Model: If there have been recent changes to the data model (e.g., changes in InfoObjects, InfoProviders, or queries), it may lead to ambiguities.
  Inconsistent Aggregation: Different aggregation methods or characteristics associated with the key figure may cause confusion in how the data should be aggregated.
  Transport Issues: If the key figure was transported from one system to another, it may not have been properly configured in the target system.
  
  Solution:
  
  Identify the Key Figure: Check the error message for the specific key figure that is causing the issue (indicated by &1).
  Review Definitions: Go to the SAP BW modeling tools (like the Data Warehousing Workbench) and review the definitions of the key figure in question. Look for any conflicting definitions or settings.
  Check Queries: If the key figure is used in queries, check the queries to ensure that they are not conflicting with each other.
  Remodeling: If necessary, you may need to remodel the key figure. This could involve:
  
  Deleting or modifying conflicting definitions.
  Ensuring that the key figure is consistently defined across all InfoProviders and queries.
  Adjusting the aggregation settings to ensure they are compatible.
  
  
  Re-activate Objects: After making changes, re-activate the affected InfoObjects, InfoProviders, and queries to ensure that the changes take effect.
  Test: After resolving the ambiguities, test the queries and reports that use the key figure to ensure that they work as expected.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Documentation: Refer to SAP BW documentation for best practices on modeling key figures and handling ambiguities.
  Community Forums: Engage with SAP community forums or support channels for additional insights or similar experiences from other users.
  
  By following these steps, you should be able to resolve the ambiguities related to the key figure and eliminate the error message BRAIN_DEV300.