Unable to download mails via RA Mailsolution. Following error occurs:

+++++++++++++++++++++++++++++++++++++ Start of Runtime Exception ++++++++++++++++++++++++++++++++++++
java.lang.NullPointerException: Cannot invoke method split() on null object
	at org.codehaus.groovy.runtime.NullObject.invokeMethod(NullObject.java:77)
	at org.codehaus.groovy.runtime.callsite.PogoMetaClassSite.call(PogoMetaClassSite.java:45)
	at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:40)
	at org.codehaus.groovy.runtime.callsite.NullCallSite.call(NullCallSite.java:32)
	at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:40)
	at org.codehaus.groovy.runtime.callsite.PogoMetaClassSite.call(PogoMetaClassSite.java:54)
	at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:124)
	at MailJob.runJob(MailAgent.groovy:149)
	at com.uc4.extensibility.types.CITAgent.dispatchJob(CITAgent.java:258)
	at com.uc4.ex.cit.CITJob.execute(CITJob.java:196)
	at com.uc4.ex.Job.run(Job.java:469)
	at com.uc4.ex.ThreadPool$RunnableDecorator.run(ThreadPool.java:53)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at java.lang.Thread.run(Thread.java:745)
++++++++++++++++++++++++++++++++++++++ End of Runtime Exception ++++++++++++++++++++++++++++++++++++++

Release : 12.3

Component : Mail Integration Solution

Marketplace: Mail Integration Solution