hey I am trying to follow this tutorial : https://www.youtube.com/watch?v=93NwI8AeMjM&t=848s
everything works fine till the code node, but after that it gives error :
code node executes successfully it shows me the file name, but when I click its borken and also after code node there is openai image generation http node which throws this error :
The first argument must be of type string or an instance of Buffer, ArrayBuffer, or Array or an Array-like Object. Received undefined
Please help.