The problem has been observed in 3.1.11 as well.
A patch is available for testing in the working branch user/gmcharlt/lp1812900_fix_save_volcopy_defaults -
https://git.evergreen-ils.org/?p=working/Evergreen.git;a=shortlog;h=refs/heads/user/gmcharlt/lp1812900_fix_save_volcopy_defaults
The problem has been observed in 3.1.11 as well.
A patch is available for testing in the working branch user/gmcharlt/ lp1812900_ fix_save_ volcopy_ defaults -
https:/ /git.evergreen- ils.org/ ?p=working/ Evergreen. git;a=shortlog; h=refs/ heads/user/ gmcharlt/ lp1812900_ fix_save_ volcopy_ defaults