Drupal 导入数据库内部服务器错误

我想将Drupal 8数据库从webshared hoster导入本地主机。但它不起作用。我明白了

内部服务器错误

服务器遇到内部错误或配置错误，无法完成您的请求

请与服务器管理员联系，you@example.com并告知他们错误发生的时间，以及您可能采取的任何可能导致错误的措施

有关此错误的详细信息，请参阅服务器错误日志

我真的不知道为什么。有人能帮忙吗

这是mysql_error.log

160813 10:29:40 [Note] /Applications/MAMP/Library/bin/mysqld: Normal shutdown
160813 10:29:40 [Note] Event Scheduler: Purging the queue. 0 events
160813 10:29:40  InnoDB: Starting shutdown...
160813 10:29:41  InnoDB: Shutdown completed; log sequence number 128598230
160813 10:29:41 [Note] /Applications/MAMP/Library/bin/mysqld: Shutdown complete

160813 10:29:41 mysqld_safe mysqld from pid file /Applications/MAMP/tmp/mysql/mysql.pid ended

160813 10:29:43 mysqld_safe Starting mysqld daemon with databases from /Library/Application Support/appsolute/MAMP PRO/db/mysql
160813 10:29:43 [Warning] Setting lower_case_table_names=2 because file system for /Library/Application Support/appsolute/MAMP PRO/db/mysql/ is case insensitive

160813 10:29:43 [Note] Plugin 'FEDERATED' is disabled.
160813 10:29:43 InnoDB: The InnoDB memory heap is disabled
160813 10:29:43 InnoDB: Mutexes and rw_locks use GCC atomic builtins
160813 10:29:43 InnoDB: Compressed tables use zlib 1.2.3
160813 10:29:43 InnoDB: Initializing buffer pool, size = 128.0M
160813 10:29:43 InnoDB: Completed initialization of buffer pool
160813 10:29:43 InnoDB: highest supported file format is Barracuda.
160813 10:29:43  InnoDB: Waiting for the background threads to start
160813 10:29:44 InnoDB: 5.5.42 started; log sequence number 128598230
160813 10:29:46 [Note] Event Scheduler: Loaded 0 events
160813 10:29:46 [Note] /Applications/MAMP/Library/bin/mysqld: ready for connections.
Version: '5.5.42'  socket: '/Applications/MAMP/tmp/mysql/mysql.sock'  port: 0  Source distribution