Installing CQRLOG in Ubuntu 24.04.
Install without errors.
Trying to run it and got error in mysql.err file:

2024-05-22T15:45:36.627647Z 0 [System] [MY-010116] [Server] /usr/sbin/mysqld (mysqld 8.0.36-2ubuntu3) starting as process 8994
2024-05-22T15:45:36.628961Z 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.
2024-05-22T15:45:36.628976Z 0 [Warning] [MY-013244] [Server] --collation-server: 'utf8mb3_bin' is a collation of the deprecated character set UTF8MB3. Please consider using UTF8MB4 with an appropriate collation instead.
2024-05-22T15:45:36.679106Z 0 [Warning] [MY-010075] [Server] No existing UUID has been found, so we assume that this is the first time that this server has been started. Generating a new UUID: 55272b4e-1852-11ef-96b9-189341c292d7.
2024-05-22T15:45:36.689296Z 1 [ERROR] [MY-011011] [Server] Failed to find valid data directory.
2024-05-22T15:45:36.689465Z 0 [ERROR] [MY-010020] [Server] Data Dictionary initialization failed.
2024-05-22T15:45:36.689491Z 0 [ERROR] [MY-010119] [Server] Aborting
2024-05-22T15:45:36.690069Z 0 [System] [MY-010910] [Server] /usr/sbin/mysqld: Shutdown complete (mysqld 8.0.36-2ubuntu3) (Ubuntu).
2024-05-22T15:46:37.062835Z 0 [System] [MY-010116] [Server] /usr/sbin/mysqld (mysqld 8.0.36-2ubuntu3) starting as process 9009
2024-05-22T15:46:37.064160Z 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.
2024-05-22T15:46:37.064174Z 0 [Warning] [MY-013244] [Server] --collation-server: 'utf8mb3_bin' is a collation of the deprecated character set UTF8MB3. Please consider using UTF8MB4 with an appropriate collation instead.
2024-05-22T15:46:37.112854Z 1 [ERROR] [MY-011011] [Server] Failed to find valid data directory.
2024-05-22T15:46:37.113068Z 0 [ERROR] [MY-010020] [Server] Data Dictionary initialization failed.
2024-05-22T15:46:37.113111Z 0 [ERROR] [MY-010119] [Server] Aborting
2024-05-22T15:46:37.113733Z 0 [System] [MY-010910] [Server] /usr/sbin/mysqld: Shutdown complete (mysqld 8.0.36-2ubuntu3) (Ubuntu).
2024-05-22T15:49:55.530864Z 0 [System] [MY-010116] [Server] /usr/sbin/mysqld (mysqld 8.0.36-2ubuntu3) starting as process 3131
2024-05-22T15:49:55.532081Z 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.
2024-05-22T15:49:55.532096Z 0 [Warning] [MY-013244] [Server] --collation-server: 'utf8mb3_bin' is a collation of the deprecated character set UTF8MB3. Please consider using UTF8MB4 with an appropriate collation instead.
2024-05-22T15:49:55.547293Z 1 [ERROR] [MY-011011] [Server] Failed to find valid data directory.
2024-05-22T15:49:55.547479Z 0 [ERROR] [MY-010020] [Server] Data Dictionary initialization failed.
2024-05-22T15:49:55.547507Z 0 [ERROR] [MY-010119] [Server] Aborting
2024-05-22T15:49:55.547959Z 0 [System] [MY-010910] [Server] /usr/sbin/mysqld: Shutdown complete (mysqld 8.0.36-2ubuntu3) (Ubuntu).

Kind regards,
Ed
CT4AJ