I did not backup /config/. so now i am having to resinstal program. I get this error message from mysql.err. Any ideas of a fix. I also put NextCloud on this pc and may have messed with mysql..

Thanks,
Blair
ki4yy

2020-07-01T18:42:55.308569Z 0 [System] [MY-010116] [Server] /usr/sbin/mysqld (mysqld 8.0.20-0ubuntu0.20.04.1) starting as process 13134
2020-07-01T18:42:55.309102Z 0 [Warning] [MY-013242] [Server] --character-set-server: 'utf8' is currently an alias for the character set UTF8MB3, but will be an alias for UTF8MB4 in a future release. Please consider using UTF8MB4 in order to be unambiguous.
2020-07-01T18:42:55.309108Z 0 [Warning] [MY-013244] [Server] --collation-server: 'utf8_bin' is a collation of the deprecated character set UTF8MB3. Please consider using UTF8MB4 with an appropriate collation instead.
2020-07-01T18:42:55.317221Z 1 [ERROR] [MY-011011] [Server] Failed to find valid data directory.
2020-07-01T18:42:55.317326Z 0 [ERROR] [MY-010020] [Server] Data Dictionary initialization failed.
2020-07-01T18:42:55.317361Z 0 [ERROR] [MY-010119] [Server] Aborting
2020-07-01T18:42:55.317554Z 0 [System] [MY-010910] [Server] /usr/sbin/mysqld: Shutdown complete (mysqld 8.0.20-0ubuntu0.20.04.1) (Ubuntu).