Conda update error

[kayah@int000 ~]$ conda update -n base -c defaults conda
WARNING: The conda.compat module is deprecated and will be removed in a future release.
Collecting package metadata: done
Solving environment: done

## Package Plan ##

  environment location: /camp/apps/eb/software/Anaconda2/2019.03

  added / updated specs:
    - conda


The following packages will be downloaded:

    package                    |            build
    ---------------------------|-----------------
    conda-4.7.12               |           py27_0         3.0 MB
    conda-package-handling-1.6.0|   py27h7b6447c_0         865 KB
    ------------------------------------------------------------
                                           Total:         3.9 MB

The following NEW packages will be INSTALLED:

  _libgcc_mutex      pkgs/main/linux-64::_libgcc_mutex-0.1-main
  conda-package-han~ pkgs/main/linux-64::conda-package-handling-1.6.0-py27h7b6447c_0

The following packages will be UPDATED:

  conda                                       4.6.11-py27_0 --> 4.7.12-py27_0


Proceed ([y]/n)? y


Downloading and Extracting Packages
conda-package-handli | 865 KB    |                                                                                               |   0%
conda-4.7.12         | 3.0 MB    |                                                                                               |   0%

CondaMultiError: CondaError: Failed to write to /camp/home/kayah/.conda/pkgs/conda-package-handling-1.6.0-py27h7b6447c_0.tar.bz2
  errno: 122
CondaError: Failed to write to /camp/home/kayah/.conda/pkgs/conda-4.7.12-py27_0.tar.bz2
  errno: 122