Crash ( all session gone) after `:update<CR>`

[sisrfeng]

Problem:
abduco: s_wf: session terminated with exit status 0

I use this:
abduco -A my_session1 nvim -c 'terminal' -c 'startinsert'
nvr -cc tabedit MY_file.any_type
abduco -A my_session2 nvim -c 'terminal' -c 'startinsert'
abduco -A my_session3 nvim -c 'terminal' -c 'startinsert'

sometimes, after pressing <c-s>, all sessions crash and are gone

v  <C-S>       * <C-C>:update<CR>
    Last set from ~/dotF/cfg/nvim/init.vim line 685
no <C-S>       * :update<CR>
    Last set from ~/dotF/cfg/nvim/init.vim line 683

i  <C-S>       * <C-O>:update<CR>
    Last set from ~/dotF/cfg/nvim/init.vim line 684