这个日志使我的大部分错误记录在Heroku上，我不太明白错误的含义 . 它是什么，我怎么能让它消失？
2018-12-09T00:22:21.020684+00:00 app[web.3]: 00:22:21 worker.1 | E, [2018-12-09T00:22:21.016292 #15] ERROR -- : Retrying ActiveStorage::PurgeJob in 3 seconds, due to a StandardError. The original exception was #<ActiveRecord::RecordNotFound: Couldn't find ActiveStorage::Blob with 'id'=2>.
2018-12-09T00:22:21.020807+00:00 app[web.3]: 00:22:21 worker.1 | I, [2018-12-09T00:22:21.018923 #15] INFO -- : [ActiveJob] Enqueued ActiveStorage::PurgeJob (Job ID: e89af631-9c28-4247-8897-887a55c68b64) to Sidekiq(default) at 2018-12-09 00:22:24 UTC
2018-12-09T00:22:25.744836+00:00 app[web.4]: 00:22:25 worker.1 | D, [2018-12-09T00:22:25.744555 #15] DEBUG -- : [1m[36mActiveStorage::Blob Load (1.4ms)[0m [1m[34mSELECT "active_storage_blobs".* FROM "active_storage_blobs" WHERE "active_storage_blobs"."id" = $1 LIMIT $2[0m [["id", 2], ["LIMIT", 1]]
2018-12-09T00:22:25.745100+00:00 app[web.4]: 00:22:25 worker.1 | E, [2018-12-09T00:22:25.744923 #15] ERROR -- : Retrying ActiveStorage::PurgeJob in 3 seconds, due to a StandardError. The original exception was #<ActiveRecord::RecordNotFound: Couldn't find ActiveStorage::Blob with 'id'=2>.
2018-12-09T00:22:25.746754+00:00 app[web.4]: 00:22:25 worker.1 | I, [2018-12-09T00:22:25.746542 #15] INFO -- : [ActiveJob] Enqueued ActiveStorage::PurgeJob (Job ID: e89af631-9c28-4247-8897-887a55c68b64) to Sidekiq(default) at 2018-12-09 00:22:28 UTC
据我所知，它正在寻找S3上不存在的图像 . 它从哪里获得id的值？
这使我们95％的日志和它分散注意力，使我们无法集中注意力或发现真正的问题 . 我该如何解决它并让它消失？
我此时的ActiveStorage :: Blob是空的，但它一直要求网址不存在的附件 .