Because the employee did not perform the work steps. Check and correct the data.By not informing the supervisor aware of the problem. Cause an error detected by the QA
The employee does not perform the procedure. Investigate and correct information on their own without informing the supervisory issues. The error was detected by QA.
Because employees don't work on stage work. Continue to check and modify the data manually without letting foreman known problems. Cause an error was detected by QA .