It happens when one or more parts do not align. It also happens while many will try to help, they may not always be on the same page. The press will sit in the studio unused. I can have it re-machinend ,or I may melt it down. This is not acceptable. I wish they could be more supportive, however RY keeps tripping over itself. Good sure folks but I am not sure that they know what they are doing in some areas.