How To Fix E2307 - Type of table & is not allowed for view &

SAP Error Message - Details

• Message type: E = Error

• Message class: E2 - DE Data Dictionary

• Message number: 307

• Message text: Type of table & is not allowed for view &

What causes this issue?

You have chosen the function 'Relationships Between Base Tables' and
selected only one table or none.

System Response

The system expects at least two base tables to be selected.

How to fix this error?

Please select the base tables whose relationships you want to determine.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message E2307 - Type of table & is not allowed for view & ?

  The SAP error message E2307 typically indicates that there is an issue with the type of table being used in a view definition. This error occurs when you attempt to include a table in a view that is not allowed due to its type. Here’s a breakdown of the cause, potential solutions, and related information:
  Cause:
  
  Table Type Restrictions: The error arises when you try to include a table in a view that is not compatible. For example, certain types of tables (like internal tables or cluster tables) cannot be used in database views.
  View Type: The type of view you are trying to create (e.g., database view, projection view, etc.) may have restrictions on the types of tables that can be included.
  Database Compatibility: Some tables may not be supported in views due to the underlying database's limitations or the way the data is structured.
  
  Solutions:
  
  Check Table Types: Review the types of tables you are trying to include in the view. Ensure that all tables are compatible with the view type you are creating. For example, avoid using internal tables or cluster tables in database views.
  Use Compatible Tables: If you need to include a specific table that is causing the error, consider creating a new table or a transparent table that can be used in the view.
  Modify View Definition: Adjust the view definition to exclude the problematic table or replace it with a compatible one.
  Consult Documentation: Refer to SAP documentation for the specific type of view you are working with to understand the restrictions and requirements.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any specific patches or updates related to this error message.
  ABAP Dictionary: Use the ABAP Dictionary (transaction SE11) to examine the properties of the tables and views you are working with.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  Testing: After making changes, test the view to ensure that it functions correctly without errors.
  
  By following these steps, you should be able to resolve the E2307 error and successfully create or modify your view in SAP.