Bogus ER_UNSUPPORTED_EXTENSION (Table uses an extension that doesn't exist in this MariaDB version)

CREATE OR REPLACE TABLE t1 (pk INT AUTO_INCREMENT PRIMARY KEY, c VARCHAR(8)) ENGINE=MyISAM WITH SYSTEM VERSIONING;

INSERT INTO t1 VALUES (1,'foo');

DELETE FROM t1;

ALTER TABLE t1 ENGINE=MyISAM;

ERROR 1112 (42000): Table '#sql-17fe_b' uses an extension that doesn't exist in this MariaDB version

CREATE OR REPLACE TABLE t1 (pk INT AUTO_INCREMENT PRIMARY KEY, c VARCHAR(8), FULLTEXT(c)) ENGINE=InnoDB WITH SYSTEM VERSIONING;

INSERT INTO t1 VALUES (1,'foo');

DELETE FROM t1;

ALTER TABLE t1 ENGINE=InnoDB;