error

#!/usr/local/expect
set DATE [exec date +%Y-%m-%d]
spawn /usr/local/archive.sh archive $DATE /backup/archive
expect
if [[ "Archive all revisions received until $DATE? (yes/no):"  ]];then {
send -- "yes"
else
exit 0
}
expect eof


Output:

 ./archive
spawn /usr/local/st_archive.sh archive 2019-12-11 /backup/archive/
Preparing...
Date specified is too late. Last revision in the database is from 2019-11-14.
Archiving revisions failed or aborted.
invalid command name "Archive"
    while executing
"Archive all revisions received until $DATE? (yes/no):  "
    invoked from within
"[ Archive all revisions received until $DATE? (yes/no):  ]"
    invoked from within
"if [[ Archive all revisions received until $DATE? (yes/no):  ]]"
    (file "./archive" line 5)