How To Fix DD_CHK_COMPLEXITY101 - CDS view &1 refers to too many tables

SAP Error Message - Details

• Message type: E = Error

• Message class: DD_CHK_COMPLEXITY - Messages of CDS complexity check

• Message number: 101

• Message text: CDS view &1 refers to too many tables

What causes this issue?

The number of joined tables in the CDS view exceeds the limit of the
most restrictive database supported by SAP. As a result, this view
cannot be activated on all databases supported by SAP.

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?

Reduce the number of joined tables in the CDS view.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message DD_CHK_COMPLEXITY101 - CDS view &1 refers to too many tables ?

  The SAP error message DD_CHK_COMPLEXITY101 indicates that a Core Data Services (CDS) view is referencing too many tables, which exceeds the allowed limit. This is a complexity check that ensures performance and maintainability of the CDS views.
  
  Cause:
  The error occurs when a CDS view references more tables than the system allows. This limit is in place to prevent performance issues that can arise from overly complex queries that involve too many joins or data sources. The specific limit can vary based on the SAP system version and configuration, but it is generally around 16 tables.
  
  Solution:
  To resolve this error, you can consider the following approaches:
  
  
  Simplify the CDS View:
  
  Review the CDS view and identify if all the referenced tables are necessary. Remove any tables that are not essential for the data you need.
  If possible, break down the CDS view into multiple simpler views. You can create smaller CDS views that can be reused