InnoDB Error - InnoDB: Error: trying to remove tablespace 264 from the cache but InnoDB: it is not there Im using AWS aurora which is MySQL 5,6 Recently I can see an error like below.

2017-02-14 20:42:34 2b2ca6a00700 InnoDB: Error: trying to remove tablespace 264 from the cache but
InnoDB: it is not there.
2017-02-14 20:42:34 2b2ca6a00700 InnoDB: Error: trying to remove tablespace 264 from the cache but
InnoDB: it is not there.
2017-02-14 20:49:56 2b2ca6a00700 InnoDB: Error: trying to remove tablespace 378 from the cache but
InnoDB: it is not there.
2017-02-14 20:49:56 2b2ca6a00700 InnoDB: Error: trying to remove tablespace 378 from the cache but
InnoDB: it is not there.
2017-02-14 20:50:41 2b2ca6a00700 InnoDB: Error: trying to remove tablespace 361 from the cache but
InnoDB: it is not there.
2017-02-14 20:50:41 2b2ca6a00700 InnoDB: Error: trying to remove tablespace 361 from the cache but
InnoDB: it is not there.
2017-02-14 20:51:10 2b2ca6a00700 InnoDB: Error: trying to remove tablespace 393 from the cache but
InnoDB: it is not there.
2017-02-14 20:51:10 2b2ca6a00700 InnoDB: Error: trying to remove tablespace 393 from the cache but
InnoDB: it is not there.


I don't know why its coming, Can anyone tell what its actually trying to say?
That seems to be a AWS problem bug.
Please, see https://forums.aws.amazon.com/thread.jspa?threadID=226520