How To Fix FDT_CP_MSG158 - The AST function &1 is not supported

SAP Error Message - Details

• Message type: E = Error

• Message class: FDT_CP_MSG -

• Message number: 158

• Message text: The AST function &1 is not supported

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message FDT_CP_MSG158 - The AST function &1 is not supported ?

  The SAP error message FDT_CP_MSG158 indicates that the AST (Abstract Syntax Tree) function you are trying to use is not supported in the context of your current configuration or version of SAP. This error typically arises in the context of SAP's Flexible Data Import (FDI) or Flexible Data Transformation (FDT) tools, which are used for data manipulation and transformation.
  Cause:
  
  Unsupported Functionality: The AST function you are trying to use may not be implemented in the version of the software you are using.
  Configuration Issues: There may be configuration settings that prevent the use of certain AST functions.
  Version Compatibility: The function may be available in a newer version of SAP, and you might be using an older version that does not support it.
  Incorrect Usage: The function might be used incorrectly in the context of the data transformation or mapping you are trying to perform.
  
  Solution:
  
  Check Documentation: Review the official SAP documentation for the version you are using to confirm whether the AST function is supported and how it should be used.
  Update SAP Version: If the function is not supported in your current version, consider upgrading to a newer version of SAP that includes the required functionality.
  Review Configuration: Check your configuration settings in the FDT or FDI tools to ensure that all necessary components are enabled and correctly set up.
  Consult SAP Notes: Look for any relevant SAP Notes or Knowledge Base Articles that might address this specific error message or provide guidance on the AST functions.
  Contact SAP Support: If you are unable to resolve the issue, consider reaching out to SAP Support for assistance. They can provide insights specific to your environment and help troubleshoot the problem.
  
  Related Information:
  
  SAP FDT Documentation: Familiarize yourself with the Flexible Data Transformation documentation to understand the capabilities and limitations of the tools.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  Training Resources: Consider SAP training resources or courses that cover FDT and data transformation to enhance your understanding of the tools and their functionalities.
  
  By following these steps, you should be able to identify the cause of the error and implement a suitable solution.