Dear K Suphunnee, please see below update and for preventive.
Dear Matthias, for PC needs review the internal control and verification process especially for new customers/products. Partly contributed due to good intention of using up the stock, but lack of experience in certain functions when doing cross checking. While, standardize packing instruction could help to prevent, especially Men Sloggi has already increased supplies from external sources.
Costly lesson learnt, yet better to be known earliest stage so that preventive is installed.