50506: Programmable Chat: Media SID not providedERROR: 50506error-50506 page anchorPROGRAMMABLE CHATERROR Error - 50506error---50506 page anchor Programmable Chat: Media SID not providedprogrammable-chat-media-sid-not-provided page anchor Possible Causespossible-causes page anchor Request does not contain required Media SID parameter. Possible Solutionspossible-solutions page anchor Confirm a valid Media SID is being passed in request.