Internal Error - Internal Error Why does this issue occur, and how can I access /phyclk_gen7.cpp? Problem Details Error: Internal Error: Sub-system: PHYCLK, File: /quartus/periph/phyclk/phyclk_gen7.cpp, Line: 1590 iterm != nullptr Stack Trace: Quartus 0x20f3c: PHYCLK_GEN7::replace_connection + 0xd0 (periph_phyclk) Quartus 0x1b6f9: PHYCLK_GEN7::connect_phyclks_in_network + 0x32d (periph_phyclk) Quartus 0x1d067: PHYCLK_GEN7::duplicate_and_rewire_phyclks + 0x327 (periph_phyclk) Quartus 0x20974: PHYCLK_GEN7::post_process_legal_placement + 0x140 (periph_phyclk) Quartus 0x24610: PCC_ENV_IMPL::perform_op + 0x25c (periph_pcc) Quartus 0x20676: PCC_ENV_IMPL::refresh_placement_until_converged + 0x146 (periph_pcc) Quartus 0x3479f: PCC_ENV_IMPL::commit + 0x5b (periph_pcc) Quartus 0x2818a: PCC_PERIPH_FLOW::plan + 0x212 (periph_pcc) Quartus 0x27601: fit2_fit_plan + 0x5e1 (comp_fit2) Quartus 0x16442: TclNRRunCallbacks + 0x62 (tcl86) Quartus 0x17c4d: TclEvalEx + 0x9ed (tcl86) Quartus 0xa6a8b: Tcl_FSEvalFileEx + 0x22b (tcl86) Quartus 0xa5136: Tcl_EvalFile + 0x36 (tcl86) Quartus 0x230ac: qexe_evaluate_tcl_script + 0x66c (comp_qexe) Quartus 0x21be9: qexe_do_tcl + 0x8f9 (comp_qexe) Quartus 0x2a1ad: qexe_run_tcl_option + 0x6cd (comp_qexe) Quartus 0x3dfaf: qcu_run_tcl_option + 0x6ef (comp_qcu) Quartus 0x29969: qexe_run + 0x629 (comp_qexe) Quartus 0x2abd6: qexe_standard_main + 0x266 (comp_qexe) Quartus 0xbb82: qfit2_main + 0x82 (quartus_fit) Quartus 0x28348: msg_main_thread + 0x18 (ccl_msg) Quartus 0x29522: msg_thread_wrapper + 0x82 (ccl_msg) Quartus 0x2b063: mem_thread_wrapper + 0x73 (ccl_mem) Quartus 0x2610f: msg_exe_main + 0x17f (ccl_msg) Quartus 0xcdcb: __scrt_common_main_seh + 0x10b (quartus_fit) Quartus 0x17613: BaseThreadInitThunk + 0x13 (KERNEL32) Quartus 0x526a0: RtlUserThreadStart + 0x20 (ntdll) End-trace Executable: quartus Comment: None System Information Platform: windows64 OS name: Windows 10 OS version: 10.0.19045 Quartus Prime Information Address bits: 64 Version: 24.1.0 Build: 115 Edition: Pro Edition Replies: Re: Internal Error As we do not receive any response from you on the previous question that we have provided. Please login to ‘ https://supporttickets.intel.com/s/?language=en_US’ , view details of the desire request, and post a feed/response within the next 15 days to allow me to continue to support you. After 15 days, this thread will be transitioned to community support. The community users will be able to help you on your follow-up questions. Replies: Re: Internal Error Is there any update? Replies: Re: Internal Error Not sure if you can attached your design.qar to us? Replies: Re: Internal Error Usually, Internal error we consider it as a bug. Can you attached your design.qar files for us to investigate?