openAI stream AbstractAssistantStreamRunner null


i’m using openAI npm 4.52.0 on angular project 15.2.6.

I cant find where is from my error while i’m trying to stream my run.
No error when accessing the assistant, when creating the thread and creating the message.

When i’m starting my run, i receive my EventStream correctly , but i have this error from typescript :


Stil getting this error with npm openAI.