Fact finding after investigation, the root cause is similar to the precedent case which was "insufficient information.
Production document ie. BOM, AD, Packing Instruction, it did not indicated size sticker to be printed that havs to attach on the box. Comparing to GAF where we can see full details in BOM and Packing instruction for operator to proceed unlike GWF which is blank. There is no size sticker indicated. Again similar assumption that in European Plant, they can print this size detail from printer directly on the box that's why those details are not updated in Production document (BOM,AD,Packing Instruction). In addition, the sample we received was only garment without packaging.