用SABER仿真桥式电路时出现错误

*** WARNING "SPLIT_PORT_UNIT_CONFLICT" *** Port 'n' on cell '/d_178_' has unit

'electrical', but port 'ang2' on cell '/ang_sin_22_' has unit 'rotational_ang'.

*** WARNING "SPLIT_PORT_UNIT_CONFLICT" *** Port 'p' on cell '/d_174_' has unit

'electrical', but port 'ang2' on cell '/ang_sin_22_' has unit 'rotational_ang'.

*** WARNING "SPLIT_PORT_UNIT_CONFLICT" *** Port 'ang1' on cell '/ang_sin_22_'

_{看看怎么回事啊~~~谢谢了}