Not able to start open edx!

Hi,
I’m not able to start open edx it giving me below error

#62 40.82 Traceback (most recent call last):
#62 40.82 File “/openedx/bin/openedx-assets”, line 218, in
#62 40.82 main()
#62 40.82 File “/openedx/bin/openedx-assets”, line 89, in main
#62 40.82 args.func(args)
#62 40.82 File “/openedx/bin/openedx-assets”, line 153, in run_themes
#62 40.82 assets._compile_sass(system, Path(theme_path), False, False, [])
#62 40.82 File “/openedx/edx-platform/pavelib/assets.py”, line 558, in _compile_sass
#62 40.82 sass.compile(
#62 40.82 File “/openedx/venv/lib/python3.8/site-packages/sass.py”, line 644, in compile
#62 40.82 raise CompileError(v)
#62 40.82 sass.CompileError: b’Error: error reading values after at-openedx-1\n on line 159 of …/themes/customtheme1/lms/static/sass/partials/lms/theme/_extras.scss\n>> background-image: at-openedx-1.jpg;\n ------------------------^\n’

executor failed running [/bin/sh -c openedx-assets themes && openedx-assets collect --settings=tutor.assets && rdfind -makesymlinks true -followsymlinks true /openedx/staticfiles/]: exit code: 1
Error: Command failed with status 1: docker build -t docker.io/overhangio/openedx:14.2.2 /home/vmaharana/.local/share/tutor/env/build/openedx

I tried : tutor dev start -d
also: tutor dev quickstart
both commands are showing the same error