How To Fix SPXN164 - ACO Metadata is invalid

SAP Error Message - Details

• Message type: E = Error

• Message class: SPXN - Proxy Generation

• Message number: 164

• Message text: ACO Metadata is invalid

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.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message SPXN164 - ACO Metadata is invalid ?

  The SAP error message SPXN164, which states "ACO Metadata is invalid," typically occurs in the context of SAP's Application Component Object (ACO) framework. This error indicates that there is an issue with the metadata associated with a particular ACO, which can prevent the application from functioning correctly.
  Causes:
  
  Corrupted Metadata: The metadata for the ACO may be corrupted or improperly configured.
  Version Mismatch: There may be a mismatch between the ACO version and the version of the SAP system or components it interacts with.
  Transport Issues: If the ACO was transported from one system to another, the transport might not have included all necessary components or configurations.
  Configuration Errors: Incorrect configuration settings in the ACO or related components can lead to this error.
  Missing Dependencies: The ACO may depend on other components or configurations that are missing or not properly set up.
  
  Solutions:
  
  Check Metadata: Review the metadata for the ACO in question. Ensure that it is correctly defined and not corrupted.
  Recreate ACO: If the metadata is corrupted, consider recreating the ACO or restoring it from a backup.
  Transport Validation: If the ACO was transported, validate that all necessary components were included in the transport request. You may need to re-transport the ACO with all dependencies.
  Configuration Review: Go through the configuration settings related to the ACO and ensure they are correct and complete.
  System Update: Ensure that your SAP system is up to date with the latest patches and updates, as this can resolve compatibility issues.
  Check Logs: Review system logs (such as ST22 for dumps or SLG1 for application logs) for more detailed error messages that can provide additional context.
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to ACO and SPXN164 for any specific fixes or recommendations provided by SAP.
  Documentation: Refer to SAP documentation for ACOs to understand the expected structure and configuration.
  Community Forums: Engage with SAP community forums or support channels for insights from other users who may have encountered similar issues.
  
  If the problem persists after trying the above solutions, it may be beneficial to contact SAP support for further assistance.