NullPointerException when running a deployment project on a remote agent

com.atlassian.util.concurrent.LazyReference$InitializationException: java.lang.NullPointerException
	at com.atlassian.util.concurrent.LazyReference.getInterruptibly(LazyReference.java:149)
	at com.atlassian.util.concurrent.LazyReference.get(LazyReference.java:112)
	at com.atlassian.bamboo.repository.RepositoryDataImpl.getRepository(RepositoryDataImpl.java:136)
	at com.atlassian.bamboo.v2.build.task.CheckoutDirectoriesSnapshotHelper.<init>(CheckoutDirectoriesSnapshotHelper.java:124)
	at com.atlassian.bamboo.v2.build.task.InitializeBuild.prepareWorkingDirectory(InitializeBuild.java:101)
	at com.atlassian.bamboo.v2.build.task.InitializeBuild.doCall(InitializeBuild.java:82)
	at com.atlassian.bamboo.v2.build.task.InitializeBuild.call(InitializeBuild.java:53)
	at com.atlassian.bamboo.v2.build.agent.DefaultBuildAgent.build(DefaultBuildAgent.java:181)
	at com.atlassian.bamboo.v2.build.agent.BuildAgentControllerImpl.waitAndPerformBuild(BuildAgentControllerImpl.java:101)
	at com.atlassian.bamboo.v2.build.agent.DefaultBuildAgent$1.run(DefaultBuildAgent.java:108)
	at com.atlassian.bamboo.build.pipeline.concurrent.NamedThreadFactory$2.run(NamedThreadFactory.java:55)
	at java.lang.Thread.run(Thread.java:744)
Caused by: java.lang.NullPointerException
	at com.atlassian.bamboo.credentials.CredentialsManagerImpl.getCredentials(CredentialsManagerImpl.java:46)
	at com.atlassian.bamboo.credentials.Credentials$2.apply(Credentials.java:64)
	at com.atlassian.bamboo.credentials.Credentials$2.apply(Credentials.java:59)
	at com.google.common.collect.Iterators$8.next(Iterators.java:782)
	at com.google.common.collect.Iterators$7.computeNext(Iterators.java:644)
	at com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:141)
	at com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:136)
	at com.atlassian.bamboo.v2.build.agent.remote.RemoteCredentialsAccessor.getCredentials(RemoteCredentialsAccessor.java:26)
	at com.atlassian.bamboo.plugins.git.GitRepository.populateFromConfig(GitRepository.java:646)
	at com.atlassian.bamboo.repository.RepositoryReference.create(RepositoryReference.java:28)
	at com.atlassian.bamboo.repository.RepositoryReference.create(RepositoryReference.java:10)
	at com.atlassian.util.concurrent.LazyReference$Sync.run(LazyReference.java:321)
	at com.atlassian.util.concurrent.LazyReference.getInterruptibly(LazyReference.java:143)
	... 11 more