How to configure cron correctly?

Question

Task Schedulers

Unable to set up cron on the server.
In crontab -e I wrote
*/30 * * * * /root/chedak_bot/execute.sh
But every 30 minutes instead of executing the script, I see this entry in the var/mail/root file

/bin/sh: 1: /root/cherdak_bot/execute.sh: not found

although the path to execute.sh is correct.
Why can this be?

Answer 1

It should have been written like this:

*/30 * * * * /bin/bash  /root/cherdak_bot/execute.sh

Answer 2

Because the path is not correct, even in your task they are different.

Answer 3

Or typo, as mentioned above, or it's another user's cron, and he does not see the files in / root