Cannot delete/truncate CK %2 because of RI violation — FK has non-nulls. %1
| Item | Value | 
|---|---|
| SQLCode | -1009150 | 
| Constant | EMSG_RI_VIOLATION_FKNOTNULL | 
| SQLState | QSB46 | 
| ODBC State | ERROR | 
| Parameter 1 | location of the exception | 
| Parameter 2 | index name of candidate key | 
A row in one or more associated foreign table(s) contains a non-null FK value. You cannot truncate or delete all from a candidate table if any associated foreign key exists having any all non-null data.