Where clause 'IN' errors

If you mean testing the endpoint, that’s how I got the error to pop up.
Also, I know the query worked previously because I got help here:

However, it isn’t working anymore and that’s where I’m having this issue.

Here’s our appID: BBC4C8BE-6E60-4361-8559-EC9B388144C4
And this is the endpoint: Messaging/messages

Well, one of them because this is happening wherever the IN keyword is used in this format: IN(‘id’)