How To Fix R7679 - Attribute &1 with high card. must not be used as navigation attr. in &2

R7679 - Overview

• Message type: E = Error

• Message class: R7 - BW: Data basis

• Message number: 679

• Message text: Attribute &1 with high card. must not be used as navigation attr. in &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message R7679 - Attribute &1 with high card. must not be used as navigation attr. in &2 ?

  The SAP error message R7679 indicates that an attribute with a high cardinality is being used as a navigation attribute in a data model, which is not allowed. High cardinality attributes are those that have a large number of unique values, such as customer IDs or transaction numbers. Using such attributes for navigation can lead to performance issues and inefficiencies in data processing.
  
  Cause:
  The error occurs when:
  
  An attribute that has a high number of unique values is defined as a navigation attribute in a data model (e.g., InfoObject, InfoCube, or CompositeProvider).
  The system is trying to use this attribute for navigation in queries or reports, which is not recommended due to potential performance degradation.
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Identify the Attribute: Determine which attribute is causing the issue. The error message will specify the attribute name (&1) and the object name (&2) where the issue is occurring.
  
  
  Change Attribute