How To Fix GH019 - Field assignment for foreign is not unique! Check suggestion!

GH019 - Overview

• Message type: E = Error

• Message class: GH - Help functions and tools in FI-SL

• Message number: 019

• Message text: Field assignment for foreign is not unique! Check suggestion!

What causes this issue?

The creation of foreign key definition is not possible.
When creating a foreign key, all the key fields in the check
table must be assigned to the foreign key fields (the fields to be
checked from the table itself or also possibly from a foreign table),
where the assignment takes place using the shared domains of the field
pairs.

System Response

The system tries to generate automatically a suggestion for this
assignment. There are several selection possibilities in the foreign
key table for one or more check table fields; one of them is suggested
by the system.

How to fix this error?

Check the field assignment and correct the suggestion, if necessary.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message GH019 - Field assignment for foreign is not unique! Check suggestion! ?

  The SAP error message GH019, which states "Field assignment for foreign is not unique! Check suggestion!", typically occurs in the context of data entry or configuration in SAP, particularly when dealing with foreign key relationships or assignments in tables. This error indicates that there is an issue with the uniqueness of the field assignments for foreign keys in the database.
  
  Cause:
  
  Non-Unique Entries: The error usually arises when there are multiple entries in the database that match the criteria for a foreign key assignment, leading to ambiguity in the relationship.
  
  Configuration Issues: It may also occur due to incorrect configuration in the data model or when defining relationships between tables.
  Data Integrity Violations: If the data being entered or processed violates the integrity constraints defined in the database, this error can be triggered.
  
  
  Solution:
  
  Check Data Entries: Review the entries in the relevant tables to ensure that there are no duplicate records that could cause ambiguity