دلیل این همه خطا در فایل error

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دلیل این خطا ها در فایل error_log چیه و چطوری درستش کنم ؟

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[24-Jan-2016 08:34:03 UTC] PHP Warning: APM cannot be enabled, '/var/php/apm/db' is not directory in Unknown on line 0 [24-Jan-2016 08:34:03 UTC] PHP Warning: APM cannot be enabled, '/var/php/apm/db' is not directory in Unknown on line 0 [24-Jan-2016 08:34:19 UTC] PHP Warning: APM cannot be enabled, '/var/php/apm/db' is not directory in Unknown on line 0 [24-Jan-2016 08:34:26 UTC] PHP Warning: APM cannot be enabled, '/var/php/apm/db' is not directory in Unknown on line 0 [24-Jan-2016 08:35:02 UTC] PHP Warning: APM cannot be enabled, '/var/php/apm/db' is not directory in Unknown on line 0 [24-Jan-2016 08:35:35 UTC] PHP Warning: APM cannot be enabled, '/var/php/apm/db' is not directory in Unknown on line 0 [24-Jan-2016 08:47:28 UTC] PHP Warning: APM cannot be enabled, '/var/php/apm/db' is not directory in Unknown on line 0 [24-Jan-2016 08:57:55 UTC] PHP Warning: APM cannot be enabled, '/var/php/apm/db' is not directory in Unknown on line 0 [24-Jan-2016 08:57:56 UTC] PHP Warning: APM cannot be enabled, '/var/php/apm/db' is not directory in Unknown on line 0 [24-Jan-2016 08:57:57 UTC] PHP Warning: APM cannot be enabled, '/var/php/apm/db' is not directory in Unknown on line 0 [24-Jan-2016 08:57:58 UTC] PHP Warning: APM cannot be enabled, '/var/php/apm/db' is not directory in Unknown on line 0 [24-Jan-2016 08:57:58 UTC] PHP Warning: APM cannot be enabled, '/var/php/apm/db' is not directory in Unknown on line 0 [24-Jan-2016 08:57:59 UTC] PHP Warning: APM cannot be enabled, '/var/php/apm/db' is not directory in Unknown on line 0 [24-Jan-2016 08:58:00 UTC] PHP Warning: APM cannot be enabled, '/var/php/apm/db' is not directory in Unknown on line 0 [24-Jan-2016 08:58:01 UTC] PHP Warning: APM cannot be enabled, '/var/php/apm/db' is not directory in Unknown on line 0 [24-Jan-2016 08:58:02 UTC] PHP Warning: APM cannot be enabled, '/var/php/apm/db' is not directory in Unknown on line 0 [24-Jan-2016 09:12:10 UTC] PHP Warning: APM cannot be enabled, '/var/php/apm/db' is not directory in Unknown on line 0 [24-Jan-2016 09:13:03 UTC] PHP Warning: APM cannot be enabled, '/var/php/apm/db' is not directory in Unknown on line 0 [24-Jan-2016 09:13:03 UTC] PHP Warning: APM cannot be enabled, '/var/php/apm/db' is not directory in Unknown on line 0 [24-Jan-2016 09:13:04 UTC] PHP Warning: APM cannot be enabled, '/var/php/apm/db' is not directory in Unknown on line 0 [24-Jan-2016 09:13:05 UTC] PHP Warning: APM cannot be enabled, '/var/php/apm/db' is not directory in Unknown on line 0 [24-Jan-2016 09:13:06 UTC] PHP Warning: APM cannot be enabled, '/var/php/apm/db' is not directory in Unknown on line 0 [24-Jan-2016 09:13:07 UTC] PHP Warning: APM cannot be enabled, '/var/php/apm/db' is not directory in Unknown on line 0 [24-Jan-2016 09:20:23 UTC] PHP Warning: APM cannot be enabled, '/var/php/apm/db' is not directory in Unknown on line 0 [24-Jan-2016 09:29:04 UTC] PHP Warning: APM cannot be enabled, '/var/php/apm/db' is not directory in Unknown on line 0 [24-Jan-2016 09:29:05 UTC] PHP Warning: APM cannot be enabled, '/var/php/apm/db' is not directory in Unknown on line 0 [24-Jan-2016 09:29:06 UTC] PHP Warning: APM cannot be enabled, '/var/php/apm/db' is not directory in Unknown on line 0 [24-Jan-2016 09:29:06 UTC] PHP Warning: APM cannot be enabled, '/var/php/apm/db' is not directory in Unknown on line 0 [24-Jan-2016 09:29:07 UTC] PHP Warning: APM cannot be enabled, '/var/php/apm/db' is not directory in Unknown on line 0 [24-Jan-2016 09:29:08 UTC] PHP Warning: APM cannot be enabled, '/var/php/apm/db' is not directory in Unknown on line 0 [24-Jan-2016 09:43:05 UTC] PHP Warning: APM cannot be enabled, '/var/php/apm/db' is not directory in Unknown on line 0 [24-Jan-2016 09:43:06 UTC] PHP Warning: APM cannot be enabled, '/var/php/apm/db' is not directory in Unknown on line 0 [24-Jan-2016 09:43:06 UTC] PHP Warning: APM cannot be enabled, '/var/php/apm/db' is not directory in Unknown on line 0 [24-Jan-2016 09:43:07 UTC] PHP Warning: APM cannot be enabled, '/var/php/apm/db' is not directory in Unknown on line 0 [24-Jan-2016 09:43:08 UTC] PHP Warning: APM cannot be enabled, '/var/php/apm/db' is not directory in Unknown on line 0 [24-Jan-2016 09:43:09 UTC] PHP Warning: APM cannot be enabled, '/var/php/apm/db' is not directory in Unknown on line 0 [24-Jan-2016 09:49:42 UTC] PHP Warning: APM cannot be enabled, '/var/php/apm/db' is not directory in Unknown on line 0 [24-Jan-2016 09:53:45 UTC] PHP Warning: APM cannot be enabled, '/var/php/apm/db' is not directory in Unknown on line 0 [24-Jan-2016 10:08:05 UTC] PHP Warning: APM cannot be enabled, '/var/php/apm/db' is not directory in Unknown on line 0 [24-Jan-2016 10:08:06 UTC] PHP Warning: APM cannot be enabled, '/var/php/apm/db' is not directory in Unknown on line 0 [24-Jan-2016 10:08:07 UTC] PHP Warning: APM cannot be enabled, '/var/php/apm/db' is not directory in Unknown on line 0 [24-Jan-2016 10:08:08 UTC] PHP Warning: APM cannot be enabled, '/var/php/apm/db' is not directory in Unknown on line 0 [24-Jan-2016 10:08:08 UTC] PHP Warning: APM cannot be enabled, '/var/php/apm/db' is not directory in Unknown on line 0 [24-Jan-2016 10:08:09 UTC] PHP Warning: APM cannot be enabled, '/var/php/apm/db' is not directory in Unknown on line 0 [24-Jan-2016 10:08:10 UTC] PHP Warning: APM cannot be enabled, '/var/php/apm/db' is not directory in Unknown on line 0 [24-Jan-2016 10:08:12 UTC] PHP Warning: APM cannot be enabled, '/var/php/apm/db' is not directory in Unknown on line 0 [24-Jan-2016 10:08:13 UTC] PHP Warning: APM cannot be enabled, '/var/php/apm/db' is not directory in Unknown on line 0 [24-Jan-2016 10:08:14 UTC] PHP Warning: APM cannot be enabled, '/var/php/apm/db' is not directory in Unknown on line 0 [24-Jan-2016 12:00:27 UTC] PHP Warning: APM cannot be enabled, '/var/php/apm/db' is not directory in Unknown on line 0 [24-Jan-2016 12:00:28 UTC] PHP Warning: APM cannot be enabled, '/var/php/apm/db' is not directory in Unknown on line 0 [24-Jan-2016 12:00:29 UTC] PHP Warning: APM cannot be enabled, '/var/php/apm/db' is not directory in Unknown on line 0 [24-Jan-2016 12:00:30 UTC] PHP Warning: APM cannot be enabled, '/var/php/apm/db' is not directory in Unknown on line 0 [24-Jan-2016 12:00:30 UTC] PHP Warning: APM cannot be enabled, '/var/php/apm/db' is not directory in Unknown on line 0 [24-Jan-2016 12:00:31 UTC] PHP Warning: APM cannot be enabled, '/var/php/apm/db' is not directory in Unknown on line 0 [24-Jan-2016 12:00:32 UTC] PHP Warning: APM cannot be enabled, '/var/php/apm/db' is not directory in Unknown on line 0 [24-Jan-2016 13:58:23 UTC] PHP Warning: APM cannot be enabled, '/var/php/apm/db' is not directory in Unknown on line 0 [24-Jan-2016 13:58:26 UTC] PHP Warning: APM cannot be enabled, '/var/php/apm/db' is not directory in Unknown on line 0 [24-Jan-2016 13:58:27 UTC] PHP Warning: APM cannot be enabled, '/var/php/apm/db' is not directory in Unknown on line 0 [24-Jan-2016 13:58:28 UTC] PHP Warning: APM cannot be enabled, '/var/php/apm/db' is not directory in Unknown on line 0 [24-Jan-2016 13:58:28 UTC] PHP Warning: APM cannot be enabled, '/var/php/apm/db' is not directory in Unknown on line 0 [24-Jan-2016 13:58:29 UTC] PHP Warning: APM cannot be enabled, '/var/php/apm/db' is not directory in Unknown on line 0 [24-Jan-2016 13:58:30 UTC] PHP Warning: APM cannot be enabled, '/var/php/apm/db' is not directory in Unknown on line 0 [24-Jan-2016 13:58:31 UTC] PHP Warning: APM cannot be enabled, '/var/php/apm/db' is not directory in Unknown on line 0 [24-Jan-2016 13:58:32 UTC] PHP Warning: APM cannot be enabled, '/var/php/apm/db' is not directory in Unknown on line 0 [24-Jan-2016 13:58:32 UTC] PHP Warning: APM cannot be enabled, '/var/php/apm/db' is not directory in Unknown on line 0 [24-Jan-2016 14:45:21 UTC] PHP Warning: APM cannot be enabled, '/var/php/apm/db' is not directory in Unknown on line 0 [24-Jan-2016 14:45:22 UTC] PHP Warning: APM cannot be enabled, '/var/php/apm/db' is not directory in Unknown on line 0 [24-Jan-2016 14:45:23 UTC] PHP Warning: APM cannot be enabled, '/var/php/apm/db' is not directory in Unknown on line 0 [24-Jan-2016 14:45:23 UTC] PHP Warning: APM cannot be enabled, '/var/php/apm/db' is not directory in Unknown on line 0 [24-Jan-2016 14:45:24 UTC] PHP Warning: APM cannot be enabled, '/var/php/apm/db' is not directory in Unknown on line 0 [24-Jan-2016 14:45:25 UTC] PHP Warning: APM cannot be enabled, '/var/php/apm/db' is not directory in Unknown on line 0 [24-Jan-2016 14:45:26 UTC] PHP Warning: APM cannot be enabled, '/var/php/apm/db' is not directory in Unknown on line 0 [24-Jan-2016 18:01:01 UTC] PHP Warning: APM cannot be enabled, '/var/php/apm/db' is not directory in Unknown on line 0 [24-Jan-2016 18:01:02 UTC] PHP Warning: APM cannot be enabled, '/var/php/apm/db' is not directory in Unknown on line 0 [24-Jan-2016 18:01:02 UTC] PHP Warning: APM cannot be enabled, '/var/php/apm/db' is not directory in Unknown on line 0 [24-Jan-2016 18:01:04 UTC] PHP Warning: APM cannot be enabled, '/var/php/apm/db' is not directory in Unknown on line 0 [24-Jan-2016 18:01:04 UTC] PHP Warning: APM cannot be enabled, '/var/php/apm/db' is not directory in Unknown on line 0 [24-Jan-2016 18:01:05 UTC] PHP Warning: APM cannot be enabled, '/var/php/apm/db' is not directory in Unknown on line 0 [24-Jan-2016 18:01:06 UTC] PHP Warning: APM cannot be enabled, '/var/php/apm/db' is not directory in Unknown on line 0 [24-Jan-2016 18:01:07 UTC] PHP Warning: APM cannot be enabled, '/var/php/apm/db' is not directory in Unknown on line 0 [24-Jan-2016 18:01:08 UTC] PHP Warning: APM cannot be enabled, '/var/php/apm/db' is not directory in Unknown on line 0 [24-Jan-2016 18:01:09 UTC] PHP Warning: APM cannot be enabled, '/var/php/apm/db' is not directory in Unknown on line 0 [24-Jan-2016 19:52:47 UTC] PHP Warning: APM cannot be enabled, '/var/php/apm/db' is not directory in Unknown on line 0 [24-Jan-2016 19:52:47 UTC] PHP Warning: APM cannot be enabled, '/var/php/apm/db' is not directory in Unknown on line 0 [24-Jan-2016 19:52:48 UTC] PHP Warning: APM cannot be enabled, '/var/php/apm/db' is not directory in Unknown on line 0 [24-Jan-2016 19:52:49 UTC] PHP Warning: APM cannot be enabled, '/var/php/apm/db' is not directory in Unknown on line 0 [24-Jan-2016 19:52:50 UTC] PHP Warning: APM cannot be enabled, '/var/php/apm/db' is not directory in Unknown on line 0 [24-Jan-2016 19:52:50 UTC] PHP Warning: APM cannot be enabled, '/var/php/apm/db' is not directory in Unknown on line 0 [24-Jan-2016 19:52:51 UTC] PHP Warning: APM cannot be enabled, '/var/php/apm/db' is not directory in Unknown on line 0 [24-Jan-2016 20:52:30 UTC] PHP Warning: APM cannot be enabled, '/var/php/apm/db' is not directory in Unknown on line 0 [24-Jan-2016 20:52:31 UTC] PHP Warning: APM cannot be enabled, '/var/php/apm/db' is not directory in Unknown on line 0 [24-Jan-2016 20:52:32 UTC] PHP Warning: APM cannot be enabled, '/var/php/apm/db' is not directory in Unknown on line 0 [24-Jan-2016 20:52:33 UTC] PHP Warning: APM cannot be enabled, '/var/php/apm/db' is not directory in Unknown on line 0 [24-Jan-2016 20:52:33 UTC] PHP Warning: APM cannot be enabled, '/var/php/apm/db' is not directory in Unknown on line 0 [24-Jan-2016 20:52:34 UTC] PHP Warning: APM cannot be enabled, '/var/php/apm/db' is not directory in Unknown on line 0 [24-Jan-2016 20:52:35 UTC] PHP Warning: APM cannot be enabled, '/var/php/apm/db' is not directory in Unknown on line 0 [24-Jan-2016 20:52:36 UTC] PHP Warning: APM cannot be enabled, '/var/php/apm/db' is not directory in Unknown on line 0 [24-Jan-2016 20:52:37 UTC] PHP Warning: APM cannot be enabled, '/var/php/apm/db' is not directory in Unknown on line 0 [24-Jan-2016 20:52:37 UTC] PHP Warning: APM cannot be enabled, '/var/php/apm/db' is not directory in Unknown on line 0

دلیل این همه خطا در فایل error_log وردپرس چیه ؟