quratus II 11编译出现的错误

Internal Error: Sub-system: S2T, File: /quartus/tsm/s2t/s2t_ARM_visitors.cpp, Line: 897
cdb_is_connected(sgate_iterm)
Stack Trace:
     0xe031: s2t_visit_arm_io + 0xbf1 (TSM_S2T)
     0xb631: s2t_build_cell_from_sgate_node + 0x341 (TSM_S2T)
     0xbd7d: s2t_build_tdb_cells_and_nodes + 0x23d (TSM_S2T)
     0xc212: s2t_build_tdb_netlist + 0x232 (TSM_S2T)
     0x9bdb: SSC_UtiL::build_tdb_sub_and_merge + 0x3ab (TSM_SSC)
    0x49e36: ___sse2_available_init + 0x14b16 (SYNTH_SUTIL)
    0x2ec75: SUTIL_SSC::initialize_ssc + 0xa5 (SYNTH_SUTIL)
    0x2ecff: SUTIL_SSC::SUTIL_SSC + 0x3f (SYNTH_SUTIL)
    0x2b57b: sutil_ssc_build_comp_reg_info + 0x17b (SYNTH_SUTIL)
    0x1e47f: MLS_NETLIST::remove_duplicate_dffs + 0x4ff (SYNTH_MLS)
    0xb384a: MLS_NETLIST::call_named_function + 0x1c0a (SYNTH_MLS)
    0x4380f: MLS_INTERFACE::call_named_function + 0x10f (SYNTH_MLS)
    0xeaf05: RTL_SCRIPT::call_named_function + 0x6c5 (SYNTH_OPT)
    0xe6a60: RTL_SCRIPT::process_script + 0x500 (SYNTH_OPT)
     0x2d1c: opt_process_netlist_scripted + 0x6fc (SYNTH_OPT)
     0x371b: RTL_ROOT::process_sgate_netlist + 0x4bb (SYNTH_OPT)
    0xfe9a9: SGN_SYNTHESIS::high_level_synthesis + 0x139 (synth_sgn)
    0xffb6f: SGN_SYNTHESIS::process_current_stage + 0x24f (synth_sgn)
    0x82d34: SGN_EXTRACTOR::synthesize_partition + 0x154 (synth_sgn)
    0x84eaf: SGN_EXTRACTOR::synthesis + 0x16f (synth_sgn)
    0x855b3: SGN_EXTRACTOR::synthesis_and_post_processing + 0x83 (synth_sgn)
     0xd20e: sgn_qic_full + 0x22e (synth_sgn)
     0x39cb: qsyn_execute_sgn + 0xeb (quartus_map)
    0x19f2b: QSYN_FRAMEWORK::execute_core + 0x8b (quartus_map)
    0x1c930: QSYN_FRAMEWORK::execute + 0xa0 (quartus_map)
     0xf211: QEXE_ARGS::get_command_line + 0x1461 (comp_qexe)
    0x116b7: qexe_process_cmdline_arguments + 0x387 (comp_qexe)
    0x117a4: qexe_standard_main + 0x84 (comp_qexe)
    0x17ede: qsyn_main + 0x5e (quartus_map)
     0x1b81: msg_main_thread + 0x11 (CCL_MSG)
     0x1be8: _thr_final_wrapper + 0x8 (ccl_thr)
     0x1af5: msg_thread_wrapper + 0x85 (CCL_MSG)
     0x458a: mem_thread_wrapper + 0x4a (ccl_mem)
    0x28a03: msg_exe_main + 0x63 (CCL_MSG)
    0x1938c: _main + 0x1c (quartus_map)
    0x24ad4: __ftol2 + 0x1ce (quartus_map)
    0x4ed6b: BaseThreadInitThunk + 0x11 (kernel32)
    0x6377a: RtlInitializeExceptionChain + 0xee (ntdll)
    0x6374d: RtlInitializeExceptionChain + 0xc1 (ntdll)

End-trace

Quartus II Version 11.0 Build 208 07/03/2011 SJ Full Version
Service Pack Installed:  1