-573 TABLE `table-name` DOES NOT HAVE A UNIQUE KEY WITH THE SPECIFIED COLUMN NAMES

Explanation
 A referential constraint cannot be defined with
the specified table as the parent because a unique index with the
specified column names does not exist for the identified parent table.

System action
 The statement cannot be processed.

Programmer response
 Create a unique index with the specified
columns for the parent table.

SQLSTATE
 42890 

-573 TABLE table-name DOES NOT HAVE A UNIQUE KEY WITH THE SPECIFIED COLUMN NAMES

Explanation

System action

Programmer response

SQLSTATE

-573 TABLE `table-name` DOES NOT HAVE A UNIQUE KEY WITH THE SPECIFIED COLUMN NAMES