提问E: Inserter-0012: Synthesize failed, could not find file ‘D:/PSD_proj/UPA_8C/prj/UPA_8C/device_map/ins_rev/synthesize/CORES_syn.adf’.

E: Inserter-0012: Synthesize failed, could not find file ‘D:/PSD_proj/UPA_8C/prj/UPA_8C/device_map/ins_rev/synthesize/CORES_syn.adf’.软件报错是什么原因