Could not validate the value specified by the -RPCPort parameter because the port number is not valid. To specify dynamic ...

Could not validate the value specified by the -RPCPort parameter because the port number is not valid. To specify dynamic RPC, use $null or 0 as the value. To specify a static RPC port number, use a port number within the static RPC port range. Specified port number: {0} Minimum allowed port number: {1} Maximum allowed port number: {2}