Can''t register, why?

Wildfire server is connected by connection_manager_3_1_0. And ,i can login the Wildfire server by connection_manager_3_1_0’‘s connection and send messages well,but i can’‘t create a account by Spark which connecting the connection_manager_3_1_0;[I can create a account by Spark which connecting the wildfire staitly]. the connection_manager_3_1_0’‘logs and the wildfire’'logs contain nothing ;why?

manager.xml: