How to fix this error?

How to fix this error:

`app/components/ChatFeed.tsx (103:19) @ ChatFeed.useEffect.initializeSession

  101 |
  102 |           if (!sessionData.success) {
> 103 |             throw new Error(sessionData.error || "Failed to create session");
      |                   ^
  104 |           }
  105 |
  106 |           agentStateRef.current = {`

when running pnpm dev ? Thank.