We have a SOAP driver integrated where we got an error while processing few transactions.

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DirXML Log Event -------------------
Driver: \IDVP-TREE\Energycorp\Services\IDM\DriverSet\NESCustomer Web
Channel: Subscriber
Status: Fatal
Message: Code(-9005) The driver returned a "fatal" status indicating that the driver should be shut down. Detail from driver: Exception caused by SubscriptionShim.execute()
java.lang.NoClassDefFoundError: org/json/JSONException
at com.ev.idm.drivers.soap.jsonxml.JSONHandlerExtensi on.XMLtoJSON(JSONHandlerExtension.java:321)
at com.ev.idm.drivers.soap.jsonxml.JSONHandlerExtensi on.modifySubscriberRequest(JSONHandlerExtension.ja va:529)
at com.novell.nds.dirxml.driver.soap.SOAPSubscriber.e xecute(Unknown Source)
at com.novell.nds.dirxml.driver.soap.SOAPSubscriber.e xecute(Unknown Source)
at com.novell.nds.dirxml.remote.loader.Driver.driverS tart(Driver.java:155)
at com.novell.nds.dirxml.remote.loader.RemoteLoader.r un(RemoteLoader.java:951)
at java.lang.Thread.run(Thread.java:745)



<status level="fatal">Code(-9005) The driver returned a "fatal" status indicating that the driver should be shut down. Detail from driver: Exception caused by SubscriptionShim.execute()
java.lang.NoClassDefFoundError: org/json/JSONException
at com.ev.idm.drivers.soap.jsonxml.JSONHandlerExtensi on.XMLtoJSON(JSONHandlerExtension.java:321)
at com.ev.idm.drivers.soap.jsonxml.JSONHandlerExtensi on.modifySubscriberRequest(JSONHandlerExtension.ja va:529)
at com.novell.nds.dirxml.driver.soap.SOAPSubscriber.e xecute(Unknown Source)
at com.novell.nds.dirxml.driver.soap.SOAPSubscriber.e xecute(Unknown Source)
at com.novell.nds.dirxml.remote.loader.Driver.driverS tart(Driver.java:155)
at com.novell.nds.dirxml.remote.loader.RemoteLoader.r un(RemoteLoader.java:951)
at java.lang.Thread.run(Thread.java:745)
<application>DirXML</application>
<module>NESCustomerWeb</module>
<object-dn></object-dn>
<component>Subscriber</component>
</status>
</output>
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Driver stopped working and blinking on such transaction. When we delete those transaction, driver get start perfectly.
Any suggestion or resolution plan for this?