50202: Programmable Chat: User key not providedERROR: 50202error-50202 page anchorERROR Error - 50202error---50202 page anchor IP Messaging: User SID not providedip-messaging-user-sid-not-provided page anchor Possible Causespossible-causes page anchor Request does not contain required User SID or User's Identity parameter. Possible Solutionspossible-solutions page anchor Confirm a valid User SID or User's Identity is being passed in request.