com.atlassian.util.concurrent.LazyReference$InitializationException : java.lang.IllegalStateException: Cannot load repository. Plugins may have been disabled

On windows remote agent, Bamboo plan execution is failing if source repository is set as mercurial.
Bamboo plan are running successfully on Linux agent.

Windows remote agent:
Java version: java version "1.8.0_66"
Mercurial version: Mercurial Distributed SCM (version 3.6.3)

Bamboo server System Information:

System Properties
System Date
Thursday, 21 Jan 2016
System Time
19:44:59
Up Time
1 month, 8 hours, 2 minutes, 24 seconds (since Mon Dec 21 11:42:35 IST 2015)
Username
root
User Timezone
Asia/Calcutta
User Locale
English (United States)
System Encoding
UTF-8
Operating System
Linux 3.0.76-0.11-default
Operating System Architecture
amd64
Available Processors
16
Application Server Container
jetty/7.6.2.v20120308
Java / JVM Information
Java Version
1.6.0_30
Java Vendor
Sun Microsystems Inc.
JVM Spec. Version
1.0
JVM Spec. Vendor
Sun Microsystems Inc.
JVM Version
20.5-b03
JVM Vendor
Sun Microsystems Inc.
JVM Name
Java HotSpot(TM) 64-Bit Server VM
JRE Version
1.6.0_30-b12
JRE Name
Java(TM) SE Runtime Environment

Enabled Plugins

ActiveObjects Plugin - Bamboo SPI implementation - 0.19.11.bamboo.4
Vendor: Atlassian Software Systems
ActiveObjects Plugin - OSGi Bundle - 0.19.11.bamboo.4
Vendor: Atlassian
Apache HttpClient OSGi bundle - 4.1.2
Vendor: The Apache Software Foundation
Apache HttpCore OSGi bundle - 4.1.2
Vendor: The Apache Software Foundation
Applinks Product Plugin - 3.10.1
Vendor: Atlassian
Artifact Handlers for Remote Agents - 1.0
Vendor: Atlassian Software Systems Pty Ltd
Artifact Handlers for Remote and Elastic Agents - 1.0
Vendor: Atlassian Software Systems Pty Ltd
Atlassian Bamboo .NET Plugin - 3.11
Vendor: Atlassian
Atlassian Bamboo Ant Task Plugin - 4.4.5
Vendor: Atlassian
Atlassian Bamboo Build Number Stamper Plugin - 4.4.5
Vendor: Atlassian
Atlassian Bamboo Clover Plugin - 4.4.5
Vendor: Atlassian
Atlassian Bamboo FishEye Web Repository Viewer - 4.4.5
Vendor: Atlassian
Atlassian Bamboo Git Repository Plugin - 2.5.8.1
Vendor: Atlassian
Atlassian Bamboo Grails Builder Plugin - 4.4.5
Vendor: Atlassian
Atlassian Bamboo JIRA Plugin - 4.4.5
Vendor: Atlassian
Atlassian Bamboo Jenkins Importer Plugin - 1.4
Vendor: Atlassian Software Systems Pty Ltd
Atlassian Bamboo Labeller Plugin - 4.4.5
Vendor: Atlassian
Atlassian Bamboo Maven Tasks Plugin - 4.4.5
Vendor: Atlassian
Atlassian Bamboo Mercurial Repository Plugin - 4.4.5
Vendor: Atlassian
Atlassian Bamboo Navlinks Plugin - 4.4.5
Vendor: Atlassian
Atlassian Bamboo PHP Builder Plugin - 4.4.5

Exception error message:
com.atlassian.util.concurrent.LazyReference$InitializationException: java.lang.IllegalStateException: Cannot load repository. Plugins may have been disabled.
at com.atlassian.util.concurrent.LazyReference.getInterruptibly(LazyReference.java:152)
at com.atlassian.util.concurrent.LazyReference.get(LazyReference.java:115)
at com.atlassian.bamboo.repository.RepositoryDataImpl.getRepository(RepositoryDataImpl.java:136)
at com.atlassian.bamboo.v2.build.BuildContextHelper.rewire(BuildContextHelper.java:32)
at com.atlassian.bamboo.v2.build.agent.BuildAgentControllerImpl.waitAndPerformBuild(BuildAgentControllerImpl.java:86)
at com.atlassian.bamboo.v2.build.agent.DefaultBuildAgent$1.run(DefaultBuildAgent.java:111)
at com.atlassian.bamboo.build.pipeline.concurrent.NamedThreadFactory$2.run(NamedThreadFactory.java:52)
at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.IllegalStateException: Cannot load repository. Plugins may have been disabled.
at com.atlassian.bamboo.repository.RepositoryReference.create(RepositoryReference.java:41)
at com.atlassian.bamboo.repository.RepositoryReference.create(RepositoryReference.java:10)
at com.atlassian.util.concurrent.LazyReference$Sync.run(LazyReference.java:326)
at com.atlassian.util.concurrent.LazyReference.getInterruptibly(LazyReference.java:146)
... 7 more

Can you please check this and provide a solution.