2987597 - Cannot open a new Window while using WebDynpro Java Applications

Cannot open a new Window while using WebDynpro Java Applications, most commonly reported in PI Message Monitoring as the open messages tab is not working. The error seen is the browser is:

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500   Internal Server ErrorSAP NetWeaver Application Server/Java AS 
Failed to process request. Please contact your system administrator.

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In the default traces the error related is:

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500 Internal Server Error is returned for HTTP request [XXX/webdynpro/resources/sap.com/tc~lm~itsam~ui~mainframe~wd/FloorPlanApp]:
  component [forwardServlet],
  web module [webdynpro/resources/sap.com/tc~lm~itsam~ui~mainframe~wd],
  application [sap.com/tc~lm~itsam~ui~mainframe~wd],
  DC name [],
  CSN component[],
  problem categorization [],
  internal categorization [].

[EXCEPTION]
java.lang.NoSuchMethodError: com.sap.tc.ls.api.controls.LSPage.openExternalWindow(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;IIIIZZZZ)Lcom/sap/tc/ls/api/controls/ILSScriptCall;
 at com.sap.tc.webdynpro.clientimpl.ajax.AjaxUpdateClientPeer.sendExternalWindowOpenEvent(AjaxUpdateClientPeer.java:832)

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Netweaver Application Server Java

PI, message, 500, NWA, Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;IIIIZZZZ , KBA , BC-WD-JAV , WebDynpro Java , Problem