Because this is the first time the print format is changed. With an employee it did not verify and confirm the Assembly rubber stamp with the BPR is the reason causing the crash.
Since this production is the first to have to change the print format. The backrest of the work does not confirm a rubber stamp assembly with BPR is the cause of this crash.
Because of this production is the first time that changing the format printing. Together with the employees did not confirm the assembly stamp with BPR caused a mistake this time.