How To Fix CFD_DDIC_ADAPTER021 - Append Adapter: Activation of include structure &1 failed

CFD_DDIC_ADAPTER021 - Overview

• Message type: E = Error

• Message class: CFD_DDIC_ADAPTER - Custom Fields: CDS Adapter

• Message number: 021

• Message text: Append Adapter: Activation of include structure &1 failed

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CFD_DDIC_ADAPTER021 - Append Adapter: Activation of include structure &1 failed ?

  The SAP error message CFD_DDIC_ADAPTER021, which states "Append Adapter: Activation of include structure &1 failed," typically occurs during the activation of a data structure in the Data Dictionary (DDIC) when there is an issue with an append structure. This error can arise due to various reasons, including inconsistencies in the data dictionary, missing dependencies, or issues with the underlying database.
  Causes:
  
  Inconsistent Data Dictionary: There may be inconsistencies in the data dictionary objects, such as tables or structures that are not properly defined or activated.
  Missing Dependencies: The append structure may depend on other structures or tables that are not activated or are in an inconsistent state.
  Database Issues: There could be issues with the underlying database, such as locks or corruption.
  Transport Issues: If the append structure was transported from another system, there may have been issues during the transport process.
  Authorization Issues: The user may not have the necessary authorizations to activate the structure.
  
  Solutions:
  
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