Modified the extraction query for adding the condition as discussed with sir Rey, if the PRCPLN displayed no SKU but with quantity, the SKU should be extracted from INVMST with IASNUM and ISTYLN. Modified the application as well to add the filter for quantity, this is to separate the SKUs with quantity, zero quantity, and negative quantity, for the purpose of not printing the barcode when the quantity is zero and negative, this also be used when Merch requested for to print barcode for SKUs with zero or negative quantity, they will not need to check all the SKUs one by one, they can use the filter.