21770: Brand Pending OTPERROR: 21770error-21770 page anchorPROGRAMMABLE MESSAGINGERROR Descriptiondescription page anchorThe campaign submission could not be processed because the associated sole proprietor brand is still pending OTP verification. Possible Causespossible-causes page anchorPending OTP Verification on Brand Possible Solutionspossible-solutions page anchorComplete OTP on Brand