Flutter Error :Failed assertion: line 234 pos 15: 'image != null': is not true.

Hey Recieving this error on the app when i click on the product card.

======== Exception caught by widgets library =======================================================
The following assertion was thrown building ProductDetails(dirty, dependencies: [MediaQuery, _LocalizationsScope-[GlobalKey#b4d92]], state: _ProductDetailsState#05c18):
'package:flutter/src/widgets/fade_in_image.dart': Failed assertion: line 234 pos 15: 'image != null': is not true.

The relevant error-causing widget was: 
  ProductDetails ProductDetails:file:///D:/Flutter/lib/ui_elements/product_card.dart:26:18
When the exception was thrown, this was the stack: 
#2      new FadeInImage.assetNetwork (package:flutter/src/widgets/fade_in_image.dart:234:15)
#3      _ProductDetailsState.buildBrandRow (package:active_ecommerce_flutter/screens/product_details.dart:1862:42)
#4      _ProductDetailsState.build (package:active_ecommerce_flutter/screens/product_details.dart:760:27)
#5      StatefulElement.build (package:flutter/src/widgets/framework.dart:4919:27)
#6      ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:4806:15)
#7      StatefulElement.performRebuild (package:flutter/src/widgets/framework.dart:4977:11)
#8      Element.rebuild (package:flutter/src/widgets/framework.dart:4529:5)
#9      BuildOwner.buildScope (package:flutter/src/widgets/framework.dart:2659:19)