You will get a tick mark popup stating “File uploaded to server” and then another pop up stating “Do you want to merge data to

Refer “Export error data” button in import section or go to export data and download Error file by selecting block> lot number>get error sheet

Catalog can be uploaded on seller panel of market place in regular way

Export data > Block> portal name >lot number>Get lot data> click on red download button

Just need to upload master data to Blumangoes through excel sheet, no need to upload data specifically for each channel.