How To Fix E2311 - Tables in help view must be joined using a foreign key

E2311 - Overview

• Message type: E = Error

• Message class: E2 - DE Data Dictionary

• Message number: 311

• Message text: Tables in help view must be joined using a foreign key

What causes this issue?

The join conditions for help views are derived from a foreign key
relationship.
INCLUDE 'TXT_NA_E2311' OBJECT DOKU ID TX

Error message extract from SAP system. Copyright SAP SE.

E2311 - Details

• The SAP error message E2311, which states "Tables in help view must be joined using a foreign key," typically occurs when you are trying to create or modify a help view (also known as a database view) in the ABAP Dictionary (transaction SE11) and the tables involved in the view do not have a defined foreign key relationship.
  
  Cause:
  The error arises because SAP requires that all tables included in a help view must be linked through foreign keys. This is to ensure data integrity and to maintain a clear relationship between the tables. If the tables do not have a foreign key defined, SAP cannot guarantee that the data can be correctly joined, which is essential for the functionality of the help view.
  
  Solution:
  To resolve this error, you need to ensure that the tables you are trying to include in the help view have a defined foreign key relationship. Here are the