Nothing saying error message

kikit panelize --layout "plugin; code: kikit-packer.py.Plugin; input:a.yaml" --tabs "fixed; hwidth: 2mm; vwidth: 2mm" pcb1.kicad_pcb combined.kicad_pcb
[{'board': 'pcb1.kicad_pcb', 'qty': 1, 'margin_mm': 2}, {'board': 'pcb2.kicad_pcb', 'qty': 2, 'margin_mm': 2}]
An error occurred: (53400000, 1000)
No output files produced

If you want to debug, please tell me where i can find your email