Msg 3726, Level 16, State 1, Line 26
Could not drop object 'Table_name' because it is referenced by a FOREIGN KEY constraint.
To get the list of Foreign Keys
SELECT *
FROM sys.foreign_keys
WHERE referenced_object_id = object_id('Table_name')
To Remove the constraints, the given output to be executed to remove Foreign Keys
SELECT
'ALTER TABLE [' + OBJECT_SCHEMA_NAME(parent_object_id) +
'].[' + OBJECT_NAME(parent_object_id) +
'] DROP CONSTRAINT [' + name + ']'
FROM sys.foreign_keys
WHERE referenced_object_id = object_id('Table_name')