java.lang.NullPointerException: This exception has no message.

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Cannot save field activity in CCB (platform Windows)

This exception has no message.

java.lang.NullPointerException: 	at com.splwg.base.support.cobol.CobolToJavaGateway.populateZMSGNFromAppError(CobolToJavaGateway.java:202)	at com.splwg.base.support.cobol.CobolToJavaGateway.basicUpdateCICZMSGNWithError(CobolToJavaGateway.java:165)	at com.splwg.base.support.cobol.CobolToJavaGateway.updateCICZMSGNWithError(CobolToJavaGateway.java:87)	at com.splwg.base.support.cobol.host.command.UpdateZMSGNWithErrorCommand.invoke(UpdateZMSGNWithErrorCommand.java:33)	at com.splwg.base.support.cobol.host.PerformCommandExecuter.invoke(PerformCommandExecuter.java:68)	at com.splwg.base.support.cobol.host.OptimizedRemoteExecuterSkel$RequestSocketReader.readRequestExecuteAndRespond(OptimizedRemoteExecuterSkel.java:157)	at com.splwg.base.support.cobol.host.OptimizedRemoteExecuterSkel$RequestSocketReader.run(OptimizedRemoteExecuterSkel.java:91)	at com.splwg.base.support.cobol.host.SocketThreadPool$WrappingParentRunnable.run(SocketThreadPool.java:204)	at EDU.oswego.cs.dl.util.concurrent.PooledExecutor$Worker.run(Unknown Source)	at java.lang.Thread.run(Thread.java:662)