Transaction stuck between SAP To iVend.
System.Exception: DI: [POR1.ItemCode][line: 1] , 'Business partner catalog number linked to item not specified as purchasing item (1)
Login in SAP Business One.
1: Copy Source Key number from the Error message
2: Open Purchase Order in SAP by the Source Key Number
3: Open Item Master and search the product which are added in Purchase Order
Go To: Inventory >> Item Master >> Search Product PRO003
4: Check the Check box “Purchase Item” on top of the right side, and click on Update button on same Item Master Data Window
5: Open Integration failure log and Retry the stuck records.