50720: RCS proxy address must start with `rcs:` prefix.Positive FeedbackNegative FeedbackERROR: 50720error-50720 page anchorPositive FeedbackNegative FeedbackERROR Descriptiondescription page anchorPositive FeedbackNegative FeedbackRCS proxy address must start with rcs: prefix. Possible causespossible-causes page anchorPositive FeedbackNegative FeedbackRCS Proxy Address is either not prefixed with rcs: token or is empty. Possible solutionspossible-solutions page anchorPositive FeedbackNegative FeedbackPrefix the RCS proxy address with rcs: token.