4.1. Analyzing design hierarchy..
ERROR: Module `\sky130_fd_sc_hd__einvn_8' referenced in module `\delay_stage' in cell `\delayenb0' is not part of the design.
[ERROR]: during executing: "yosys -c /openLANE_flow/scripts/synth.tcl -l /project/openlane/dpll/runs/dpll/logs/synthesis/1-yosys.log |& tee >&@stdout"
[ERROR]: Exit code: 1
[ERROR]: Last 10 lines:
child process exited abnormally

[ERROR]: Please check yosys  log file
[ERROR]: Dumping to /project/openlane/dpll/runs/dpll/error.log
[INFO]: Calculating Runtime From the Start...
[INFO]: Flow failed for dpll/17-06_00-20 in 0h0m2s
[INFO]: Generating Final Summary Report...
[INFO]: Design Name: dpll
Run Directory: /project/openlane/dpll/runs/dpll
Source not found.
----------------------------------------

LVS Summary:
Source: /project/openlane/dpll/runs/dpll/results/lvs/dpll.lvs_parsed.gds.log
Source not found.
----------------------------------------

Antenna Summary:
No antenna report found.
[INFO]: check full report here: /project/openlane/dpll/runs/dpll/reports/final_summary_report.csv
[ERROR]: Flow Failed.

    while executing
"try_catch [get_yosys_bin]  -c $::env(SYNTH_SCRIPT)  -l [index_file $::env(yosys_log_file_tag).log 0]  |& tee $::env(TERMINAL_OUTPUT)"
    (procedure "run_yosys" line 34)
    invoked from within
"run_yosys"
    (procedure "run_synthesis" line 9)
    invoked from within
"run_synthesis"
    (procedure "run_non_interactive_mode" line 14)
    invoked from within
"run_non_interactive_mode {*}$argv"
    invoked from within
"if { [info exists flags_map(-interactive)] || [info exists flags_map(-it)] } {
	puts_info "Running interactively"
	if { [info exists arg_values(-file)..."
    (file "/openLANE_flow/flow.tcl" line 223)
make[1]: *** [Makefile:43: dpll] Error 1
make[1]: Leaving directory '/home/atork/mabrains/caravel_user_project_mabrains/openlane'
make: *** [Makefile:71: dpll] Error 2