Quartus Fit crash

Hi,

Quartus Prime Pro 20.0.0 fitter crashes during plan with the following error:

Problem Details
Error:
Internal Error: Sub-system: PCC, File: /quartus/periph/pcc/pcc_env.cpp, Line: 1241

num_legalizations <= 5

Stack Trace:

  Quartus          0x3f07e: PCC_ENV_IMPL::refresh_placement_until_converged + 0x1e13e (periph_pcc)

  Quartus          0x2166b: PCC_ENV_IMPL::commit + 0x63 (periph_pcc)

  Quartus          0x2e1cb: PCC_PERIPH_FLOW::plan + 0x1ff (periph_pcc)

  Quartus          0x1307e: fit2_fit_plan + 0x20e (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          0x156f6: qexe_evaluate_tcl_script + 0x4e6 (comp_qexe)

  Quartus          0x145e3: qexe_do_tcl + 0x4b3 (comp_qexe)

  Quartus          0x1acae: qexe_run_tcl_option + 0x5ee (comp_qexe)

  Quartus          0x18ef1: QCU::DETAIL::intialise_qhd_and_run_qexe + 0xa1 (comp_qcu)

  Quartus          0x2b312: qcu_run_tcl_option + 0x2f2 (comp_qcu)

  Quartus          0x1a5b0: qexe_run + 0x460 (comp_qexe)

  Quartus          0x1b6ea: qexe_standard_main + 0x26a (comp_qexe)

  Quartus           0x2052: qfit2_main + 0x82 (quartus_fit)

  Quartus          0x158d8: msg_main_thread + 0x18 (CCL_MSG)

  Quartus          0x16f81: msg_thread_wrapper + 0x71 (CCL_MSG)

  Quartus          0x21050: mem_thread_wrapper + 0x70 (ccl_mem)

  Quartus          0x14e5d: msg_exe_main + 0x20d (CCL_MSG)

  Quartus           0x2978: __scrt_common_main_seh + 0x11c (quartus_fit)

  Quartus          0x17bd3: BaseThreadInitThunk + 0x13 (KERNEL32)

  Quartus          0x6ce50: RtlUserThreadStart + 0x20 (ntdll)

End-trace

Executable: quartus_fit
Comment:
None

System Information
Platform: windows64
OS name: Windows 10
OS version: 10.0

Quartus Prime Information
Address bits: 64
Version: 20.2.0
Build: 50
Edition: Pro Edition