How To Fix DT307 - Foreign key &-& (Field specified despite constant foreign key)

DT307 - Overview

• Message type: E = Error

• Message class: DT - Table activation (incl. indexes)

• Message number: 307

• Message text: Foreign key &-& (Field specified despite constant foreign key)

What causes this issue?

In a foreign key a constant was assigned to a field of the check table.
In addition, a field name was specified.

System Response

The foreign key is corrected at time of activation (the field name is
removed).

How to fix this error?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message DT307 - Foreign key &-& (Field specified despite constant foreign key) ?

  The SAP error message DT307 indicates that there is an issue with a foreign key relationship in your data model. Specifically, it suggests that a field has been specified in a foreign key relationship, even though a constant foreign key is expected. This can occur in various contexts, such as when defining data elements, structures, or database tables.
  
  Cause:
  
  Incorrect Foreign Key Definition: The foreign key relationship is defined incorrectly, where a field is specified instead of a constant value.
  Data Model Issues: There may be inconsistencies in the data model, such as missing or incorrect references to primary keys.
  Field Type Mismatch: The field types of the foreign key and the referenced primary key may not match, leading to confusion in the relationship.
  Configuration Errors: Errors in the configuration of the data dictionary or the underlying database schema can also lead to this error.
  
  
  Solution:
  
  Check Foreign Key Definition: Review the foreign key definition in the