MySQL Error Message
Found %d prepared transactions! It means that mysqld was
not shut down properly last time and critical recovery information
(last binlog or %s file) was manually deleted after a crash. You
have to start mysqld with –tc-heuristic-recover switch to commit
or rollback pending transactions.
Reason for the Error
ER_XA_RECOVER_EXPLANATION was
added in 8.0.2.