How To Fix E2213 - No foreign key which can be used as a join is defined for table &

SAP Error Message - Details

• Message type: E = Error

• Message class: E2 - DE Data Dictionary

• Message number: 213

• Message text: No foreign key which can be used as a join is defined for table &

What causes this issue?

No semantic foreign key relationships in which the selected table
participates as check table (referenced table) or as foreign key table
(dependent table) are defined.

System Response

It is only possible to link tables with a foreign key to form SAP
aggregates (views, matchcodes, lock objects) if the semantic attributes
of a foreign key are defined.

How to fix this error?

Define the missing foreign key relationships of the table and specify
the semantic attributes of the foreign key.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message E2213 - No foreign key which can be used as a join is defined for table & ?

  The SAP error message E2213, which states "No foreign key which can be used as a join is defined for table &," typically occurs when you are trying to create a join between two tables in a query or a data model, but there is no foreign key relationship defined between those tables in the database schema.
  Cause:
  
  Missing Foreign Key: The primary cause of this error is that the two tables you are trying to join do not have a defined foreign key relationship. In SAP, foreign keys are used to establish a link between two tables, allowing for data integrity and enabling joins in queries.
  Incorrect Table Usage: You may be trying to use a table that is not intended to be joined with the other table in the context of your query.
  Data Model Issues: If you are working with a data model (like in SAP BW or HANA), the model may not have been properly defined to include the necessary relationships.
  
  Solution:
  
  
  Define Foreign Key Relationships:
  
  Go to the Data Dictionary (transaction code SE11).
  Open the table that you are trying to join.
  Check if there is a foreign key defined that links it to the other table.
  If not, you may need to create a foreign key relationship. This involves defining the foreign key in the table that references the primary key of the other table.
  
  
  
  Check Table Structure:
  
  Ensure that the fields you are trying to join on exist in both tables and are of compatible data types.
  
  
  
  Review Query Logic:
  
  If you are using a query or report, review the logic to ensure that you are attempting to join the correct tables and that the join conditions are valid.
  
  
  
  Use Alternative Joins:
  
  If a foreign key cannot be defined, consider using alternative methods to join the data, such as using a view that combines the necessary tables or using a different approach in your query.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or consult with your SAP Basis or ABAP team for best practices on defining foreign keys and creating joins.
  
  
  
  Related Information:
  
  Foreign Key Definition: A foreign key is a field (or collection of fields) in one table that uniquely identifies a row of another table. It establishes a relationship between the two tables.
  Data Dictionary (SE11): This is the transaction code in SAP where you can view and manage database objects, including tables and their relationships.
  Join Types: Understand the different types of joins (inner join, outer join, etc.) and how they work in the context of your query.
  SAP BW/HANA: If you are working in a BW or HANA environment, familiarize yourself with the specific data modeling tools and techniques used in those systems.
  
  By addressing the foreign key relationship and ensuring that your tables are properly defined, you should be able to resolve the E2213 error.