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

E2307 - Overview

• 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.

E2307 - Details

• 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