CGI エラー

エラーメッセージ：
Cant read dir './lock/':No such file or directory at lib/Psearch.pm line 338.

CGI エラー

エラーメッセージ：
Can't rename './lock/lockfile1283939421' to './lock/lockfile':No such file or directory at lib/Psearch.pm line 372 during global destruction.