90039: Broadcast 'MessageStatusCallbackUrl' is invalidPositive FeedbackNegative FeedbackERROR: 90039error-90039 page anchorPositive FeedbackNegative FeedbackERROR Descriptiondescription page anchorPositive FeedbackNegative FeedbackBroadcast 'MessageStatusCallbackUrl' is invalid Possible causespossible-causes page anchorPositive FeedbackNegative Feedback'MessageStatusCallbackUrl' has invalid URL format or schema. Messaging allows only HTTP or HTTPS schemas Possible solutionspossible-solutions page anchorPositive FeedbackNegative FeedbackUse correct http or https URL