try to provide a clearer message

src/lib66/exec/ssexec_init.c

src/lib66/exec/ssexec_reconfigure.c

src/lib66/exec/ssexec_reload.c

src/lib66/exec/ssexec_restart.c

src/lib66/exec/ssexec_start.c

src/lib66/parse/parse_service.c

src/lib66/svc/svc_send_fdholder.c

src/lib66/tree/tree_seed_free.c

src/lib66/tree/tree_seed_isvalid.c