`heroku[worker.1]: Error R12 (Exit timeout) -> At least one process failed to exit within 30`

[BoQsc]

2021-06-17T07:57:28.000000+00:00 app[api]: Build succeeded
2021-06-17T07:57:28.122598+00:00 heroku[worker.1]: State changed from starting to up
2021-06-17T07:57:30.956437+00:00 app[worker.1]: Auto Bumper Is Online!
2021-06-17T07:57:55.253764+00:00 heroku[worker.1]: Error R12 (Exit timeout) -> At least one process failed to exit within 30 seconds of SIGTERM
2021-06-17T07:57:55.270972+00:00 heroku[worker.1]: Stopping remaining processes with SIGKILL
2021-06-17T07:57:55.337262+00:00 heroku[worker.1]: Process exited with status 137