how to solve this error using OSX Server's bots

Plz help me.

My remote repository is SVN version controll system.

when I started integration using bot in OSX Server. this error was pisplayed on a log.

how to solve this error to integrate my project using OSX Server.

Apr 3 16:56:42 server.mbkwon.com xcsbuildd[20259] <Debug>: [XCSBuildBundle.m:466 77537310 +61ms] Will NOT send email notifications because notifyCommitterOnFailure is NO Apr 3 16:56:42 server.mbkwon.com xcsbuildd[20259] <Debug>: [XCSBuildBundle.m:470 77537310 +0ms] Posting email notification for bot run with type com.apple.notifications.BotFailed Apr 3 16:56:42 server.mbkwon.com xcsbuildd[20259] <Debug>: [XCSBuildBundle.m:471 77537310 +0ms] Sending email to committers = (null) Apr 3 16:56:42 server.mbkwon.com xcsbuildd[20259] <Debug>: [XCSBuildBundle.m:1033 77537310 +0ms] Posting notification of type com.apple.notifications.BotFailed Apr 3 16:56:42 server.mbkwon.com xcsbuildd[20259] <Debug>: [XCSBuildHelper.m:199 77537310 +0ms] Posting notification for bot run GUID f87f0098-f8ca-4bfa-945e-cbb11a2f6abb of type com.apple.notifications.BotFailed Apr 3 16:56:42 server.mbkwon.com xcsbuildd[20259] <Info>: [CSRemoteServiceClient.m:151 77537310 +0ms] Connecting to https://localhost:4443/svc to execute [https]Request{AuthService.enterMagicalAuthRealm()} Apr 3 16:56:42 server.mbkwon.com xcsbuildd[20259] <Info>: [CSRemoteServiceClient.m:151 77537310 +45ms] Connecting to https://localhost:4443/svc to execute [https]Request{XCBotService.postNotificationForBotGUID:andRunGUID:andNotificati onType:additionalEmails:(c6189ca0-0649-0649-c01e-81c4d0b52dd9,f87f0098-f8ca-4bfa -945e-cbb11a2f6abb,com.apple.notifications.BotFailed,( ))} Apr 3 16:56:42 server.mbkwon.com xcsbuildd[20259] <Debug>: [XCSBuildBundle.m:601 77537310 +84ms] Deleting work queue item: cf7fe6b8-4df8-b723-4794-50fbf27955ed Apr 3 16:56:42 server.mbkwon.com xcsbuildd[20259] <Info>: [CSRemoteServiceClient.m:151 77537310 +0ms] Connecting to https://localhost:4443/svc to execute [https]Request{XCWorkQueueService.deleteWorkQueueItemWithGUID:(cf7fe6b8-4df8-b7 23-4794-50fbf27955ed)} Apr 3 16:56:42 server.mbkwon.com xcsbuildd[20259] <Debug>: [XCSBuildBundle.m:929 77537310 +13ms] Marking build bundle complete with status failed and sub-status internal-checkout-error Apr 3 16:56:42 server.mbkwon.com xcsbuildd[20259] <Info>: [CSRemoteServiceClient.m:151 77537310 +0ms] Connecting to https://localhost:4443/svc to execute [https]Request{AuthService.enterMagicalAuthRealm()} Apr 3 16:56:42 server.mbkwon.com xcsbuildd[20259] <Debug>: [XCSBuildHelper.m:97 77537310 +55ms] Updating bot run with GUID f87f0098-f8ca-4bfa-945e-cbb11a2f6abb Apr 3 16:56:42 server.mbkwon.com xcsbuildd[20259] <Debug>: [XCSBuildHelper.m:102 77537310 +0ms] Updating bot run (f87f0098-f8ca-4bfa-945e-cbb11a2f6abb): { guid = "f87f0098-f8ca-4bfa-945e-cbb11a2f6abb"; status = failed; subStatus = "internal-checkout-error"; } Apr 3 16:56:42 server.mbkwon.com xcsbuildd[20259] <Info>: [CSRemoteServiceClient.m:151 77537310 +0ms] Connecting to https://localhost:4443/svc to execute [https]Request{XCBotService.updateBotRun:({ guid = "f87f0098-f8ca-4bfa-945e-cbb11a2f6abb"; status = failed; subStatus = "internal-checkout-error"; })} Apr 3 16:56:42 server.mbkwon.com xcsbuildd[20259] <Debug>: [XCSBuildHelper.m:108 77537310 +121ms] Updating bot with GUID c6189ca0-0649-0649-c01e-81c4d0b52dd9 Apr 3 16:56:42 server.mbkwon.com xcsbuildd[20259] <Debug>: [XCSBuildHelper.m:117 77537310 +0ms] Updating bot with latest bot run GUID key Apr 3 16:56:42 server.mbkwon.com xcsbuildd[20259] <Debug>: [XCSBuildHelper.m:124 77537310 +0ms] Updating bot (c6189ca0-0649-0649-c01e-81c4d0b52dd9): { guid = "c6189ca0-0649-0649-c01e-81c4d0b52dd9"; latestFailedBotRunGUID = "f87f0098-f8ca-4bfa-945e-cbb11a2f6abb"; latestRunStatus = failed; latestRunSubStatus = "internal-checkout-error"; } Apr 3 16:56:42 server.mbkwon.com xcsbuildd[20259] <Info>: [CSRemoteServiceClient.m:151 77537310 +0ms] Connecting to https://localhost:4443/svc to execute [https]Request{XCBotService.updateBot:({ guid = "c6189ca0-0649-0649-c01e-81c4d0b52dd9"; latestFailedBotRunGUID = "f87f0098-f8ca-4bfa-945e-cbb11a2f6abb"; latestRunStatus = failed; latestRunSubStatus = "internal-checkout-error"; })}