According to the guidance document,https://www.cesm.ucar.edu/models/cesm1.0/cesm/cesm_doc_1_0_6/x330.html#download_ccsm_code
An error is returned when I run this command : svn co https://svn-ccsm-models.cgd.ucar.edu/cesm1/release_tags/cesm1_0_6 cesm1_0_6
An error is returned when I run this command : svn co https://svn-ccsm-models.cgd.ucar.edu/cesm1/release_tags/cesm1_0_6 cesm1_0_6