tablespace does not exist or is just being dropped

MariaDB [dbmail]> drop table `#sql2-704-271`;

ERROR 1051 (42S02): Unknown table 'dbmail.#sql2-704-271'

MariaDB [dbmail]> drop table `#dbmail##sql2-704-271`;

ERROR 1051 (42S02): Unknown table 'dbmail.#dbmail##sql2-704-271'

MariaDB [dbmail]> drop table `##sql2-704-271`;

ERROR 1051 (42S02): Unknown table 'dbmail.##sql2-704-271'

MariaDB [dbmail]>

MariaDB [dbmail]> drop table `#mysql50##sql2-704-271`;

ERROR 1051 (42S02): Unknown table 'dbmail.#mysql50##sql2-704-271'

MariaDB [dbmail]> 

MariaDB [dbmail]> SELECT * FROM INFORMATION_SCHEMA.INNODB_SYS_TABLES WHERE NAME LIKE '%#sql%';

+----------+----------------------+------+--------+-------+-------------+------------+---------------+

| TABLE_ID | NAME                 | FLAG | N_COLS | SPACE | FILE_FORMAT | ROW_FORMAT | ZIP_PAGE_SIZE |

+----------+----------------------+------+--------+-------+-------------+------------+---------------+

|      672 | dbmail/#sql2-704-271 |   41 |      5 |   545 | Barracuda | Compressed |          8192 |

+----------+----------------------+------+--------+-------+-------------+------------+---------------+

1 row in set (0,00 sec) 

2017-01-23 22:01:27 139913013700928 [ERROR] InnoDB: Trying to do i/o to a tablespace which exists without .ibd data file. i/o type 10, space id 545, page no 0, i/o length 8192 bytes

2017-01-23 22:01:27 7f40097b2940  InnoDB: Error: trying to access tablespace 545 page no. 0,

InnoDB: but the tablespace does not exist or is just being dropped.

2017-01-23 22:01:27 139913013700928 [ERROR] InnoDB: tablespace id is 545 in the data dictionary but in file ./dbmail/#sql2-704-271.ibd it is 690!

2017-01-23 22:01:31 140380157278528 [ERROR] InnoDB: Trying to do i/o to a tablespace which exists without .ibd data file. i/o type 10, space id 545, page no 0, i/o length 8192 bytes

2017-01-23 22:01:31 7faccd687940  InnoDB: Error: trying to access tablespace 545 page no. 0,

InnoDB: but the tablespace does not exist or is just being dropped.

InnoDB: Error: Unable to read tablespace 545 page no 0 into the buffer pool after 100 attempts

InnoDB: The most probable cause of this error may be that the table has been corrupted.

InnoDB: You can try to fix this problem by using innodb_force_recovery.

InnoDB: Please see reference manual for more details.

InnoDB: Aborting...

2017-01-23 22:01:31 7faccd687940  InnoDB: Assertion failure in thread 140380157278528 in file buf0buf.cc line 3080

InnoDB: We intentionally generate a memory trap.

InnoDB: Submit a detailed bug report to http://bugs.mysql.com.

InnoDB: If you get repeated assertion failures or crashes, even

InnoDB: immediately after the mysqld startup, there may be

InnoDB: corruption in the InnoDB tablespace. Please refer to

InnoDB: http://dev.mysql.com/doc/refman/5.6/en/forcing-innodb-recovery.html

InnoDB: about forcing recovery.

170123 22:01:31 [ERROR] mysqld got signal 6 ;

This could be because you hit a bug. It is also possible that this binary

or one of the libraries it was linked against is corrupt, improperly built,

or misconfigured. This error can also be caused by malfunctioning hardware.