MAMP Why would MySQL Server not work?

I turned on my localhost and MySQL Server is not working.

This is what is say’s in my error log:

130816  9:57:26  InnoDB: Unable to open the first data file
InnoDB: Error in opening ./ibdata1
130816  9:57:26  InnoDB: Operating system error number 35 in a file operation.
InnoDB: Error number 35 means 'Resource temporarily unavailable'.
InnoDB: Some operating system error numbers are described at
InnoDB: https://dev.mysql.com/doc/refman/5.5/en/operating-system-error-codes.html
130816  9:57:26 InnoDB: Could not open or create data files.
130816  9:57:26 InnoDB: If you tried to add new data files, and it failed here,
130816  9:57:26 InnoDB: you should now edit innodb_data_file_path in my.cnf back
130816  9:57:26 InnoDB: to what it was, and remove the new ibdata files InnoDB created
130816  9:57:26 InnoDB: in this failed attempt. InnoDB only wrote those files full of
130816  9:57:26 InnoDB: zeros, but did not yet use them in any way. But be careful: do not
130816  9:57:26 InnoDB: remove old data files which contain your precious data!
130816  9:57:26 [ERROR] Plugin 'InnoDB' init function returned error.
130816  9:57:26 [ERROR] Plugin 'InnoDB' registration as a STORAGE ENGINE failed.
130816  9:57:26 [ERROR] Unknown/unsupported storage engine: InnoDB
130816  9:57:26 [ERROR] Aborting

130816  9:57:26 [Note] /Applications/MAMP/Library/bin/mysqld: Shutdown complete

130816 09:57:26 mysqld_safe mysqld from pid file /Applications/MAMP/tmp/mysql/mysql.pid ended