PySpice.Spice.NgSpice.Shared.NgSpiceCommandError: Command 'run' failed

[rkuo2000]

PySpice 1.5.0
ngspice 34

Note: can't find the initialization file spinit.
Unsupported Ngspice version 42
Using SPARSE 1.3 as Direct Linear Solver
Traceback (most recent call last):
File "/home/rkuo/SPICEPilot/test.py", line 23, in
analysis = simulator.transient(step_time=1@u_ns, end_time=1@u_us)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/home/rkuo/.venv/lib/python3.12/site-packages/PySpice/Spice/Simulation.py", line 1214, in transient
return self._run('transient', *args, **kwargs)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/home/rkuo/.venv/lib/python3.12/site-packages/PySpice/Spice/NgSpice/Simulation.py", line 119, in _run
self._ngspice_shared.run()
File "/home/rkuo/.venv/lib/python3.12/site-packages/PySpice/Spice/NgSpice/Shared.py", line 1192, in run
self.exec_command(command)
File "/home/rkuo/.venv/lib/python3.12/site-packages/PySpice/Spice/NgSpice/Shared.py", line 851, in exec_command
raise NgSpiceCommandError("Command '{}' failed".format(command))
PySpice.Spice.NgSpice.Shared.NgSpiceCommandError: Command 'run' failed