We are attempting to use the ShopifysSharp library in order to process fulfillment requests for a location, however, we are receiving the following exception from within the library:
Type: System.NullReferenceException
Details of source code and ShopifySharp library we’re using:
Assembly: ShopifySharp, Version=5.10.0.0, Culture=neutral, PublicKeyToken=null
Method: ShopifySharp.ShopifyService+<>c__DisplayClass26_0`1+<b__0>d.MoveNext
Line of code that causes this exception: _fulFillmentService.CreateAsync(shopifyOrderId, fulfillment);
Variables explanations:
“_fulfillmentService” is a ShopifySharp.FulfillmentService object.
“fulfillment” is a ShopifySharp.Fulfillment object.
“shopifyOrderId” is an order id of type long.
We have made sure the formats of all variables are correct and entirely similar to the other orders we are processing with our other Shopify integrations (all successful). However, the statuses of none of the orders for this specific location ID are changing and we’re getting the error mentioned before. We have made sure the LocationID is correct and that the location is not disabled.