The foreign key %2 participates in join %3 and cannot be ALTERed. %1
Item  | 
Value  | 
|---|---|
SQLCode  | 
-1013098  | 
Constant  | 
EMSG_CAT_JOINFIELDKEYMAT  | 
SQLState  | 
QCA98  | 
ODBC State  | 
ERROR  | 
Parameter 1  | 
location of the exception  | 
Parameter 2  | 
the column of the foreign key  | 
Parameter 3  | 
the name of the join index  | 
This message is returned during ALTER, when a foreign key that is about to be altered participates in the join of two tables.