LOG_ERROR::sys_copy, command '/bin/scp -rpB /opt/tsce4/torque6/share/st06/spool/11.st02.ER yuan0512@st02:x=GRESgpu@1/STDIN.e11' failed with status=1, giving up after 4 attempts

[jiguiyang]

error detail messages:
LOG_ERROR::req_cpyfile, Unable to copy file /opt/tsce4/torque6/share/st06/spool/11.st02.ER to yuan0512@st02:x=GRESgpu@1/STDIN.e11, error 1
LOG_ERROR::req_cpyfile, #12#012Unable to copy file /opt/tsce4/torque6/share/st06/spool/11.st02.OU to yuan0512@st02:x=GRESgpu@1/STDIN.o11, error 1#012*** error from copy#012Permission denied (publickey,password).#15#012lost connection#012*** end error output#012Output retained on that host in: /opt/tsce4/torque6/share/st06/undelivered/11.st02.OU#012#012Unable to copy file /opt/tsce4/torque6/share/st06/spool/11.st02.ER to yuan0512@st02:x=GRESgpu@1/STDIN.e11, error 1#012*** error from copy#012Permission denied (publickey,password).#15#012lost connection#012*** end error output#012Output retained on that host in: /opt/tsce4/torque6/share/st06/undelivered/11.st02.ER

How to solve it?