You will need to adjust your conda configuration to proceed. code example

Example: UnavailableInvalidChannel error in conda

#-------------UnavailableInvalidChannel error in conda--------------#
conda config --get channels
#----------Output---------#
--add channels 'defaults'   # lowest priority
--add channels 'https://pypi.org/project/librosa/'
--add channels 'intel'   # highest priority
#-------------------------#
# 'https://pypi.org/project/librosa/' is InvalidChannel causing error.
conda config --remove channels 'https://pypi.org/project/librosa/'