我在error.log文件中得到以下输出：
2018-08-05T21:07:12.6NZ mysqld_safe Logging to '/Applications/MAMP/logs/mysql_error.log'.
2018-08-05T21:07:12.6NZ mysqld_safe Starting mysqld daemon with databases from /Library/Application Support/appsolute/MAMP PRO/db/mysql57
2018-08-05T21:07:12.783097Z 0 [Warning] Insecure configuration for --secure-file-priv: Current value does not restrict location of generated files. Consider setting it to a valid, non-empty path.
2018-08-05T21:07:12.783320Z 0 [Note] /Applications/MAMP/Library/bin/mysqld (mysqld 5.7.21) starting as process 9968 ...
2018-08-05T21:07:12.786999Z 0 [Warning] Setting lower_case_table_names=2 because file system for /Library/Application Support/appsolute/MAMP PRO/db/mysql57/ is case insensitive
2018-08-05T21:07:12.789580Z 0 [Note] InnoDB: Mutexes and rw_locks use GCC atomic builtins
2018-08-05T21:07:12.789615Z 0 [Note] InnoDB: Uses event mutexes
2018-08-05T21:07:12.789620Z 0 [Note] InnoDB: GCC builtin __atomic_thread_fence() is used for memory barrier
2018-08-05T21:07:12.789624Z 0 [Note] InnoDB: Compressed tables use zlib 1.2.3
2018-08-05T21:07:12.789645Z 0 [Note] InnoDB: Adjusting innodb_buffer_pool_instances from 8 to 1 since innodb_buffer_pool_size is less than 1024 MiB
2018-08-05T21:07:12.789949Z 0 [Note] InnoDB: Number of pools: 1
2018-08-05T21:07:12.790057Z 0 [Note] InnoDB: Using CPU crc32 instructions
2018-08-05T21:07:12.791362Z 0 [Note] InnoDB: Initializing buffer pool, total size = 128M, instances = 1, chunk size = 128M
2018-08-05T21:07:12.801918Z 0 [Note] InnoDB: Completed initialization of buffer pool
2018-08-05T21:07:12.815485Z 0 [ERROR] InnoDB: The Auto-extending innodb_system data file './ibdata1' is of a different size 0 pages (rounded down to MB) than specified in the .cnf file: initial 768 pages, max 0 (relevant if non-zero) pages!
2018-08-05T21:07:12.815546Z 0 [ERROR] InnoDB: Plugin initialization aborted with error Generic error
2018-08-05T21:07:13.127811Z 0 [ERROR] Plugin 'InnoDB' init function returned error.
2018-08-05T21:07:13.127914Z 0 [ERROR] Plugin 'InnoDB' registration as a STORAGE ENGINE failed.
2018-08-05T21:07:13.127926Z 0 [ERROR] Failed to initialize builtin plugins.
2018-08-05T21:07:13.127931Z 0 [ERROR] Aborting
2018-08-05T21:07:13.127945Z 0 [Note] Binlog end
2018-08-05T21:07:13.128072Z 0 [Note] Shutting down plugin 'CSV'
2018-08-05T21:07:13.128826Z 0 [Note] /Applications/MAMP/Library/bin/mysqld: Shutdown complete
2018-08-05T21:07:13.6NZ mysqld_safe mysqld from pid file /Applications/MAMP/tmp/mysql/mysql.pid ended
这并不是我真正的专业领域，希望有人可以指导我解决问题。
谢谢。