How To Fix ACM320 - DDIC API error. Cannot get header data for entity: &1

SAP Error Message - Details

• Message type: E = Error

• Message class: ACM - Message-Class for all ACM functions/exceptions

• Message number: 320

• Message text: DDIC API error. Cannot get header data for entity: &1

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

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Smart SAP Assistant

• What is the cause and solution for SAP error message ACM320 - DDIC API error. Cannot get header data for entity: &1 ?

  The SAP error message ACM320, which states "DDIC API error. Cannot get header data for entity: &1," typically indicates an issue with the Data Dictionary (DDIC) API when trying to retrieve header data for a specific entity. This error can arise due to various reasons, including issues with the underlying data model, configuration problems, or inconsistencies in the database.
  Possible Causes:
  
  Missing or Inconsistent Data: The entity specified in the error message may not have the required header data in the database, or there may be inconsistencies in the data.
  Authorization Issues: The user may not have the necessary authorizations to access the data for the specified entity.
  Configuration Errors: There may be configuration issues in the application that are preventing the retrieval of the header data.
  Transport Issues: If the system has recently undergone a transport, there may be inconsistencies between the development and production environments.
  Database Issues: There could be underlying database issues, such