Error50202: Programmable Chat: User SID not providedPositive FeedbackNegative FeedbackTwilio Chat DocumentationChat Descriptiondescription page anchorPositive FeedbackNegative Feedback Possible causespossible-causes page anchorPositive FeedbackNegative Feedback Request does not contain required User SID parameter. Possible solutionspossible-solutions page anchorPositive FeedbackNegative Feedback Confirm a valid User SID is being passed in request.