How To Fix CACSDESGEN205 - Only structures and tables are allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: CACSDESGEN - Messages From Construction

• Message number: 205

• Message text: Only structures and tables are allowed

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 CACSDESGEN205 - Only structures and tables are allowed ?

  The SAP error message CACSDESGEN205: Only structures and tables are allowed typically occurs when you are trying to generate or manipulate a data structure in a way that is not permitted by the system. This error is often encountered in the context of data dictionary objects, particularly when working with ABAP Dictionary (SE11) or when generating data models.
  Cause:
  The error is triggered when the system expects a structure or a table but receives a different type of object, such as a view or a different data type that is not compatible. This can happen in various scenarios, including:
  
  Incorrect Object Type: Attempting to use a view or a different object type where a table or structure is required.
  Data Model Issues: Issues in the data model where the relationships or definitions do not align with the expected structures or tables.
  Code Issues: In ABAP code, if you are trying to reference a non-structure/table object in a context that requires a structure or table.
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check Object Types: Ensure that you are working with the correct object types. If you are trying to create or manipulate a data structure, make sure it is defined as a table or structure in the ABAP Dictionary.
  
  
  Review Data Model: If this error occurs in the context of a data model, review the definitions and relationships to ensure that all references are to valid structures or tables.
  
  
  Debug ABAP Code: If the error arises from ABAP code, check the relevant code sections to ensure that you are not trying to use a non-structure/table object in a context that requires one. Look for any type mismatches or incorrect references.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for guidance on the specific context in which the error occurs. This can provide insights into the expected object types and how to correct any issues.
  
  
  Use Transaction SE11: If you are working in the ABAP Dictionary, use transaction SE11 to check the definitions of the objects you are working with. Ensure that they are correctly defined as structures or tables.
  
  
  Seek Help from SAP Community: If you are unable to resolve the issue, consider reaching out to the SAP community or forums for assistance. Provide details about the context in which the error occurs for more targeted help.
  
  
  Related Information:
  
  Transaction Codes: SE11 (Data Dictionary), SE80 (Object Navigator), SE37 (Function Module), SE24 (Class Builder).
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional context.
  ABAP Documentation: Review the ABAP programming guidelines and data dictionary documentation for best practices and examples.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.