Log files are spammed with this after a day :/ happens on some maps, and not others, and doesnt happen all the time on the same maps.
Code:
L 10/09/2013 - 15:54:34: SourceMod error session started
L 10/09/2013 - 15:54:34: Info (map "tfdb_desert_madness_a9") (file "errors_20131009.log")
L 10/09/2013 - 15:54:34: [STEAMTOOLS] Server Gameplay Stats received with an unexpected eResult. (eResult = 20)
L 10/09/2013 - 16:20:01: Error log file session closed.
L 10/09/2013 - 16:20:05: SourceMod error session started
L 10/09/2013 - 16:20:05: Info (map "tfdb_octagon_a6") (file "errors_20131009.log")
L 10/09/2013 - 16:20:05: [STEAMTOOLS] Server Gameplay Stats received with an unexpected eResult. (eResult = 20)
L 10/09/2013 - 16:45:31: Error log file session closed.
L 10/09/2013 - 16:45:35: SourceMod error session started
L 10/09/2013 - 16:45:35: Info (map "tfdb_spacebox_a2") (file "errors_20131009.log")
L 10/09/2013 - 16:45:35: [STEAMTOOLS] Server Gameplay Stats received with an unexpected eResult. (eResult = 20)
L 10/09/2013 - 17:11:27: Error log file session closed.
L 10/09/2013 - 17:11:31: SourceMod error session started
L 10/09/2013 - 17:11:31: Info (map "tfdb_desert_madness_a9") (file "errors_20131009.log")
L 10/09/2013 - 17:11:31: [STEAMTOOLS] Server Gameplay Stats received with an unexpected eResult. (eResult = 20)
L 10/09/2013 - 17:37:15: Error log file session closed.
L 10/09/2013 - 17:37:20: SourceMod error session started
L 10/09/2013 - 17:37:20: Info (map "tfdb_openbox_sky_a2") (file "errors_20131009.log")
L 10/09/2013 - 17:37:20: [STEAMTOOLS] Server Gameplay Stats received with an unexpected eResult. (eResult = 20)
L 10/09/2013 - 18:02:46: Error log file session closed.
L 10/09/2013 - 18:02:50: SourceMod error session started
L 10/09/2013 - 18:02:50: Info (map "tfdb_box_space_f1") (file "errors_20131009.log")
L 10/09/2013 - 18:02:50: [STEAMTOOLS] Server Gameplay Stats received with an unexpected eResult. (eResult = 20)
L 10/09/2013 - 18:28:50: Error log file session closed.
L 10/09/2013 - 18:28:54: SourceMod error session started
L 10/09/2013 - 18:28:54: Info (map "tfdb_spacebox_a2") (file "errors_20131009.log")
L 10/09/2013 - 18:28:54: [STEAMTOOLS] Server Gameplay Stats received with an unexpected eResult. (eResult = 20)
L 10/09/2013 - 18:55:22: Error log file session closed.
L 10/09/2013 - 18:55:26: SourceMod error session started
L 10/09/2013 - 18:55:26: Info (map "tfdb_river_b1") (file "errors_20131009.log")
L 10/09/2013 - 18:55:26: [STEAMTOOLS] Server Gameplay Stats received with an unexpected eResult. (eResult = 20)
L 10/09/2013 - 19:00:16: Error log file session closed.
L 10/09/2013 - 19:00:21: SourceMod error session started
L 10/09/2013 - 19:00:21: Info (map "tfdb_spacebox_a2") (file "errors_20131009.log")
L 10/09/2013 - 19:00:21: [STEAMTOOLS] Server Gameplay Stats received with an unexpected eResult. (eResult = 20)
L 10/09/2013 - 19:25:40: Error log file session closed.
L 10/09/2013 - 19:25:44: SourceMod error session started
L 10/09/2013 - 19:25:44: Info (map "tfdb_octagon_a6") (file "errors_20131009.log")
L 10/09/2013 - 19:25:44: [STEAMTOOLS] Server Gameplay Stats received with an unexpected eResult. (eResult = 20)
L 10/09/2013 - 19:51:09: Error log file session closed.
L 10/09/2013 - 19:51:13: SourceMod error session started
L 10/09/2013 - 19:51:13: Info (map "tfdb_desert_madness_a9") (file "errors_20131009.log")
L 10/09/2013 - 19:51:13: [STEAMTOOLS] Server Gameplay Stats received with an unexpected eResult. (eResult = 20)
L 10/09/2013 - 20:17:41: Error log file session closed.
L 10/09/2013 - 20:17:45: SourceMod error session started
L 10/09/2013 - 20:17:45: Info (map "tfdb_desert_madness_a9") (file "errors_20131009.log")
L 10/09/2013 - 20:17:45: [STEAMTOOLS] Server Gameplay Stats received with an unexpected eResult. (eResult = 20)
L 10/09/2013 - 20:43:26: Error log file session closed.
L 10/09/2013 - 20:43:30: SourceMod error session started
L 10/09/2013 - 20:43:30: Info (map "tfdb_openbox_sky_a2") (file "errors_20131009.log")
L 10/09/2013 - 20:43:30: [STEAMTOOLS] Server Gameplay Stats received with an unexpected eResult. (eResult = 20)
L 10/09/2013 - 21:09:36: Error log file session closed.
L 10/09/2013 - 21:09:40: SourceMod error session started
L 10/09/2013 - 21:09:40: Info (map "tfdb_desert_madness_a9") (file "errors_20131009.log")
L 10/09/2013 - 21:09:40: [STEAMTOOLS] Server Gameplay Stats received with an unexpected eResult. (eResult = 20)
L 10/09/2013 - 21:35:30: Error log file session closed.
L 10/09/2013 - 21:35:34: SourceMod error session started
L 10/09/2013 - 21:35:34: Info (map "tfdb_orangebox_b2") (file "errors_20131009.log")
L 10/09/2013 - 21:35:34: [STEAMTOOLS] Server Gameplay Stats received with an unexpected eResult. (eResult = 20)
L 10/09/2013 - 21:49:57: Error log file session closed.
L 10/09/2013 - 22:00:41: SourceMod error session started
L 10/09/2013 - 22:00:41: Info (map "tfdb_octagon_a6") (file "errors_20131009.log")
L 10/09/2013 - 22:00:41: [admin-flatfile.smx] Error(s) detected parsing addons/sourcemod/configs/admins_simple.ini
L 10/09/2013 - 22:00:41: [admin-flatfile.smx] (line 2) Invalid group detected: Knob-Head
L 10/09/2013 - 22:15:14: Error log file session closed.
L 10/09/2013 - 22:40:54: SourceMod error session started
L 10/09/2013 - 22:40:54: Info (map "tfdb_river_b1") (file "errors_20131009.log")
L 10/09/2013 - 22:40:54: [STEAMTOOLS] Server Gameplay Stats received with an unexpected eResult. (eResult = 20)
L 10/09/2013 - 22:59:47: Error log file session closed.
L 10/09/2013 - 22:59:51: SourceMod error session started
L 10/09/2013 - 22:59:51: Info (map "tfdb_pingpong_b1") (file "errors_20131009.log")
L 10/09/2013 - 22:59:51: [STEAMTOOLS] Server Gameplay Stats received with an unexpected eResult. (eResult = 20)
L 10/09/2013 - 23:03:27: Error log file session closed.
L 10/09/2013 - 23:03:31: SourceMod error session started
L 10/09/2013 - 23:03:31: Info (map "tfdb_ring_slag_a4") (file "errors_20131009.log")
L 10/09/2013 - 23:03:31: [STEAMTOOLS] Server Gameplay Stats received with an unexpected eResult. (eResult = 20)
L 10/09/2013 - 23:05:07: Error log file session closed.
L 10/09/2013 - 23:05:11: SourceMod error session started
L 10/09/2013 - 23:05:11: Info (map "tfdb_sppppacccee") (file "errors_20131009.log")
L 10/09/2013 - 23:05:11: [STEAMTOOLS] Server Gameplay Stats received with an unexpected eResult. (eResult = 20)
L 10/09/2013 - 23:08:08: Error log file session closed.
L 10/09/2013 - 23:08:12: SourceMod error session started
L 10/09/2013 - 23:08:12: Info (map "tfdb_fantastic_final") (file "errors_20131009.log")
L 10/09/2013 - 23:08:12: [STEAMTOOLS] Server Gameplay Stats received with an unexpected eResult. (eResult = 20)
L 10/10/2013 - 06:14:16: Error log file session closed.
L 10/10/2013 - 06:14:20: SourceMod error session started
L 10/10/2013 - 06:14:20: Info (map "tfdb_openbox_sky_a2") (file "errors_20131010.log")
L 10/10/2013 - 06:14:20: [STEAMTOOLS] Server Gameplay Stats received with an unexpected eResult. (eResult = 20)
L 10/10/2013 - 09:46:37: Error log file session closed.
L 10/10/2013 - 09:46:42: SourceMod error session started
L 10/10/2013 - 09:46:42: Info (map "tfdb_baseball_rc1") (file "errors_20131010.log")
L 10/10/2013 - 09:46:42: [STEAMTOOLS] Server Gameplay Stats received with an unexpected eResult. (eResult = 20)
L 10/10/2013 - 10:14:14: Error log file session closed.
L 10/10/2013 - 10:14:18: SourceMod error session started
L 10/10/2013 - 10:14:18: Info (map "tfdb_pingpong_b1") (file "errors_20131010.log")
L 10/10/2013 - 10:14:18: [STEAMTOOLS] Server Gameplay Stats received with an unexpected eResult. (eResult = 20)
L 10/10/2013 - 10:45:42: Error log file session closed.
L 10/10/2013 - 10:45:46: SourceMod error session started
L 10/10/2013 - 10:45:46: Info (map "tfdb_openbox_sky_a2") (file "errors_20131010.log")
L 10/10/2013 - 10:45:46: [STEAMTOOLS] Server Gameplay Stats received with an unexpected eResult. (eResult = 20)
L 10/10/2013 - 11:20:54: Error log file session closed.
L 10/10/2013 - 11:20:58: SourceMod error session started
L 10/10/2013 - 11:20:58: Info (map "tfdb_spacebox_a2") (file "errors_20131010.log")
L 10/10/2013 - 11:20:58: [STEAMTOOLS] Server Gameplay Stats received with an unexpected eResult. (eResult = 20)
L 10/10/2013 - 11:46:18: Error log file session closed.
L 10/10/2013 - 11:46:22: SourceMod error session started
L 10/10/2013 - 11:46:22: Info (map "tfdb_desert_madness_a9") (file "errors_20131010.log")
L 10/10/2013 - 11:46:22: [STEAMTOOLS] Server Gameplay Stats received with an unexpected eResult. (eResult = 20)
L 10/10/2013 - 11:51:16: Error log file session closed.
L 10/10/2013 - 11:51:20: SourceMod error session started
L 10/10/2013 - 11:51:20: Info (map "tfdb_river_b1") (file "errors_20131010.log")
L 10/10/2013 - 11:51:20: [STEAMTOOLS] Server Gameplay Stats received with an unexpected eResult. (eResult = 20)
L 10/10/2013 - 12:16:48: Error log file session closed.
L 10/10/2013 - 12:16:52: SourceMod error session started
L 10/10/2013 - 12:16:52: Info (map "tfdb_orbital_rc1") (file "errors_20131010.log")
L 10/10/2013 - 12:16:52: [STEAMTOOLS] Server Gameplay Stats received with an unexpected eResult. (eResult = 20)
L 10/10/2013 - 12:42:08: Error log file session closed.
L 10/10/2013 - 13:07:23: SourceMod error session started
L 10/10/2013 - 13:07:23: Info (map "tfdb_baseball_rc1") (file "errors_20131010.log")
L 10/10/2013 - 13:07:23: [STEAMTOOLS] Server Gameplay Stats received with an unexpected eResult. (eResult = 20)
L 10/10/2013 - 13:32:34: Error log file session closed.
L 10/10/2013 - 13:58:09: SourceMod error session started
L 10/10/2013 - 13:58:09: Info (map "tfdb_box_space_f1") (file "errors_20131010.log")
L 10/10/2013 - 13:58:09: [STEAMTOOLS] Server Gameplay Stats received with an unexpected eResult. (eResult = 20)
L 10/10/2013 - 14:23:59: Error log file session closed.
L 10/10/2013 - 14:24:03: SourceMod error session started
L 10/10/2013 - 14:24:03: Info (map "tfdb_box_night_f1") (file "errors_20131010.log")
L 10/10/2013 - 14:24:03: [STEAMTOOLS] Server Gameplay Stats received with an unexpected eResult. (eResult = 20)
L 10/10/2013 - 14:49:20: Error log file session closed.
L 10/10/2013 - 14:49:24: SourceMod error session started
L 10/10/2013 - 14:49:24: Info (map "tfdb_brokenglass_b4") (file "errors_20131010.log")
L 10/10/2013 - 14:49:24: [STEAMTOOLS] Server Gameplay Stats received with an unexpected eResult. (eResult = 20)
L 10/10/2013 - 15:13:22: Error log file session closed.
L 10/10/2013 - 15:13:26: SourceMod error session started
L 10/10/2013 - 15:13:26: Info (map "tfdb_box_night_f1") (file "errors_20131010.log")
L 10/10/2013 - 15:13:26: [STEAMTOOLS] Server Gameplay Stats received with an unexpected eResult. (eResult = 20)
L 10/10/2013 - 15:39:21: Error log file session closed.
L 10/10/2013 - 15:39:26: SourceMod error session started
L 10/10/2013 - 15:39:26: Info (map "tfdb_desert_madness_a9") (file "errors_20131010.log")
L 10/10/2013 - 15:39:26: [STEAMTOOLS] Server Gameplay Stats received with an unexpected eResult. (eResult = 20)
L 10/10/2013 - 16:05:00: Error log file session closed.