mysqldump: Got error: 130: Incorrect file format

Well, that dint go down too well The metadata database is corrupt. Scheduling a rebuild. [2018-02-28 02:05:29 +0000] brecklan_alldata: mysqldump: Got error: 130: Incorrect file format 'alldata' when using LOCK TABLES warn [pkgacct] ********_alldata: mysqldump: Got error: 130: Incorrect file format 'alldata' when using LOCK TABLES
I should mention that that database is now a big fat 0mb and my weather site no longer has any data that was acquired over the last year'ish, 107mb worth..............