Add Manufacturer without uploading image.

[horseyhorsey]

3.x
SQLCE.

Trace:
Controller: Manufacturer, Action: Create

An error occurred while updating the entries. See the inner exception for details.

A foreign key value cannot be inserted because a corresponding primary key value does not exist. [ Foreign key constraint name = FK_dbo.Manufacturer_dbo.Picture_PictureId ] 

[mgesing]

Duplicate #1493. Errors have the same cause.