897 [Appian Plugin Hot Deploy] ERROR com.atlassian.plugin.manager.DefaultPluginManager - There was an error loading the descriptor 'Advanced Call SOAP Web Service' of plugin 'advancedcallwebservice'. Disabling.
com.atlassian.plugin.PluginException: com.appiancorp.process.admin.IncompatibleSmartServiceRegistrationException: The Smart Service Module was invalid: Illegal attempt to change the data type for smart service advancedcallwebservice.AdvancedCallSOAPWebService, input or output named Base64AttachmentExtractor (APNX-1-4104-005)
        at com.appiancorp.plugins.ExceptionHandlingModuleDescriptor.enabled(ExceptionHandlingModuleDescriptor.java:63)
        at com.atlassian.plugin.manager.DefaultPluginManager.notifyModuleEnabled(DefaultPluginManager.java:1447)
        at com.appiancorp.plugins.AppianPluginManager.notifyModuleEnabled(AppianPluginManager.java:65)
        at com.atlassian.plugin.manager.DefaultPluginManager.enableConfiguredPluginModule(DefaultPluginManager.java:1254)
        at com.atlassian.plugin.manager.DefaultPluginManager.enableConfiguredPluginModules(DefaultPluginManager.java:1220)
        at com.atlassian.plugin.manager.DefaultPluginManager.addPlugins(DefaultPluginManager.java:722)
        at com.atlassian.plugin.manager.DefaultPluginManager.scanForNewPlugins(DefaultPluginManager.java:446)
        at com.appiancorp.plugins.AppianPluginManager.scanForNewPlugins0(AppianPluginManager.java:121)
        at com.appiancorp.plugins.AppianPluginManager.scanForNewPlugins(AppianPluginManager.java:113)
        at com.appiancorp.plugins.HotDeployerRunnable.run(HotDeployerRunnable.java:29)
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
        at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308)
        at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180)
        at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294)
        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)
Caused by: com.appiancorp.process.admin.IncompatibleSmartServiceRegistrationException: The Smart Service Module was invalid: Illegal attempt to change the data type for smart service advancedcallwebservice.AdvancedCallSOAPWebService, input or output named Base64AttachmentExtractor (APNX-1-4104-005)
        at com.appiancorp.process.admin.LoadSmartNodeACSchemas.validateNewAgainstExisting(LoadSmartNodeACSchemas.java:190)
        at com.appiancorp.process.admin.LoadSmartNodeACSchemas.registerWithK(LoadSmartNodeACSchemas.java:225)
        at com.appiancorp.process.admin.LoadACSchemas.register(LoadACSchemas.java:314)
        at com.appiancorp.process.admin.LoadSmartNodeACSchemas.register(LoadSmartNodeACSchemas.java:79)
        at com.appiancorp.process.SmartServiceRegistryImpl.register(SmartServiceRegistryImpl.java:37)
        at com.appiancorp.process.SmartServiceModuleDescriptor.enabledInternal(SmartServiceModuleDescriptor.java:276)
        at com.appiancorp.plugins.ExceptionHandlingModuleDescriptor.enabled(ExceptionHandlingModuleDescriptor.java:61)
        ... 16 more
2016-08-24 17:15:40,901 [Appian Plugin Hot Deploy] ERROR com.appiancorp.plugins.LoggingPluginEventListener - Failed to enable Plug-in 'Advanced Call Web Service' (advancedcallwebservice) version 1.2.0: 'The Smart Service Module was invalid: Illegal attempt to change the data type for smart service advancedcallwebservice.AdvancedCallSOAPWebService, input or output named Base64AttachmentExtractor (APNX-1-4104-005)'