INITORRESUME, UPDATERESYNC on a Supplementary Instance must additionally specify INITIALIZE or RESUME
Receiver Server log/MUPIP Error: Issued by a Receiver Server when started with -UPDATERESYNC on a Supplementary Instance which allows local updates, but started without specifying either -INITIALIZE or -RESUME.
Action: Additionally specify -INITIALIZE if this is the first time this supplementary instance is connecting to the source side OR if the receiver side databases have been refreshed from a backup of the source side. If on the other hand, the receiving instance had already been replicating from the source before and only had its instance file recreated in between, -RESUME might be appropriate with the -UPDATERESYNC. Check -RESUME documentation for more details.