Team City Errors in 7.1.5

Hi Community i started getting the following error in my TC instance a few days ago while trying to run a build, sensing that it may be time to upgrade to 9.0 i set up a test server and migrated all my data over how ever im still getting the following error any ideas out there?

java.lang.IndexOutOfBoundsException: Index: 0, Size: 0
 at java.util.LinkedList.checkElementIndex(LinkedList.java:553)
 at java.util.LinkedList.get(LinkedList.java:474)
 at scaleform.teamcity.commandline.server.CLParamPreprocessor.fixRunBuildParameters(CLParamPreprocessor.java:43)
 at jetbrains.buildServer.serverSide.impl.RunningBuildImpl.prepareRunners(RunningBuildImpl.java:216)
 at jetbrains.buildServer.serverSide.impl.RunningBuildImpl.createAgentBuild(RunningBuildImpl.java:747)
 at jetbrains.buildServer.serverSide.impl.XmlRpcBasedAgent.runBuild(XmlRpcBasedAgent.java:263)
 at jetbrains.buildServer.serverSide.impl.auth.SecuredBuildAgent.runBuild(SecuredBuildAgent.java:26)
 at jetbrains.buildServer.serverSide.impl.BuildStarter$1.run(BuildStarter.java:25)
 at jetbrains.buildServer.serverSide.impl.BuildStarter$2$1.run(BuildStarter.java:2)
 at jetbrains.buildServer.util.NamedThreadFactory.executeWithNewThreadName(NamedThreadFactory.java:89)
 at jetbrains.buildServer.serverSide.impl.BuildStarter$2.run(BuildStarter.java:2)
 at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
 at java.util.concurrent.FutureTask.run(FutureTask.java:262)
 at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
 at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
 at java.lang.Thread.run(Thread.java:745)
[2015-01-23 14:55:22,820]   WARN -   jetbrains.buildServer.SERVER - jetbrains.buildServer.serverSide.ExecutionException: Index: 0, Size: 0

thanks!

-KJ