Continued to check the cause of the error encountered in the application, yesterday, there is only one TL number have a label without a barcode, but now it is multiple, as per checking on the web application, it is extracting the data from the database per TL number, checked the process of the portal to see if where does the creation of barcode in happening, as per checking, it is on the blade, and as per checking on the blade there are condition set before the barcode is created, the category should have WOMENS. MENS, CHILDRENS value before the barcode is created, checked what is the category assigned to the TL with the problem, as per checking, the assigned category is a camel case value thus it does not meet the condition in the creation of shipping label reason for the barcode to not be created.