ENVIRONMENT SET UP ERROR

I have never had an error at "environment setup" stage before

MESAGE BELOW LINE....CAN ANYONE HELP PLEASE?

________________________
..installing xformers==0.0.27.dev792
---------------------------------------------------------------------------
CalledProcessError Traceback (most recent call last)
[](https://localhost:8080/#) in ()
33 print("..skipping setup")
34
---> 35 setup_environment()
36
37 import torch

1 frames
[/usr/lib/python3.10/subprocess.py](https://localhost:8080/#) in check_call(*popenargs, **kwargs)
367 if cmd is None:
368 cmd = popenargs[0]
--> 369 raise CalledProcessError(retcode, cmd)
370 return 0
371

CalledProcessError: Command '['/usr/bin/python3', '-m', 'pip', 'install', 'xformers==0.0.27.dev792']' returned non-zero exit status 1.