Ab-Initio Reconstruction: KeyError: `alignments_class_0`

Hi, I am using CryoSPARC v4.5.3, and doing ab-initio reconstruction with default parameters. However, I got following keyerror:

[CPU:  409.1 MB  Avail: 237.26 GB]
  Done.

[CPU:  409.1 MB  Avail: 237.27 GB]
Windowing particles

[CPU:  409.1 MB  Avail: 237.28 GB]
  Done.

[CPU:  409.1 MB  Avail: 237.28 GB]
Using 1 classes.

[CPU:  460.6 MB  Avail: 249.20 GB]
Computing Ab-Initio Structure: 

[CPU:  460.6 MB  Avail: 249.23 GB]
  Volume Size: 192 (voxel size 192.00A)

[CPU:  460.6 MB  Avail: 249.26 GB]
  Final Output Volume Size: 192 

[CPU:  460.6 MB  Avail: 249.29 GB]
  Data Size: 192 (pixel size 192.00A)

[CPU:  460.6 MB  Avail: 249.31 GB]
  Resolution Range: 35.00A to 12.00A

[CPU:  460.6 MB  Avail: 249.34 GB]
  Fourier Radius Range: 1053.3 to 95.0 with steps of 0.040000

[CPU:  461.1 MB  Avail: 249.45 GB]
Using random seed for initialization of 223841213

[CPU:  461.1 MB  Avail: 249.45 GB]
Generating random initial densities.

[CPU:  461.1 MB  Avail: 249.45 GB]
  Generating random initial density for class 0

[CPU:  855.9 MB  Avail: 238.83 GB]
  Done in 22.781s.

Generated initialization!

[png]
[pdf]
J2_generated_initialization.png
[CPU:  863.9 MB  Avail: 240.13 GB]
Full abinit run took 0.162s

[CPU:  837.0 MB  Avail: 240.11 GB]
Traceback (most recent call last):
  File "cryosparc_master/cryosparc_compute/run.py", line 115, in cryosparc_master.cryosparc_compute.run.main
  File "cryosparc_master/cryosparc_compute/jobs/abinit/run.py", line 537, in cryosparc_master.cryosparc_compute.jobs.abinit.run.run_homo_abinit
KeyError: 'alignments_class_0'

How to solve this error? Thank you!

I have solved because there is a problem with the pixel size of inputs.