[Plugin] Http/s REST, blueprintable JSON query and Parse API manager [VaRest]

Hello, first of all your plugin is excelent and help us a lot in our project, but we have a problem recently using ue4 4.8.3 sometimes it crashes with the following error:

Access violation - code c0000005 (first/second chance not available)

“”

UE4Editor_VaRestPlugin_36!UVaRestJsonObject::Reset() [g:\projects\personalprojects\ideasthroughiris\sonic_testprojectviernes\sonic_testproject\plugins\varest\source\varestplugin\private\json\varestjsonobject.cpp:23]
UE4Editor_VaRestPlugin_36!UVaRestRequestJSON::ResetResponseData() [g:\projects\personalprojects\ideasthroughiris\sonic_testprojectviernes\sonic_testproject\plugins\varest\source\varestplugin\private\json\varestrequestjson.cpp:109]
UE4Editor_VaRestPlugin_36!UVaRestRequestJSON::OnProcessRequestComplete() [g:\projects\personalprojects\ideasthroughiris\sonic_testprojectviernes\sonic_testproject\plugins\varest\source\varestplugin\private\json\varestrequestjson.cpp:242]
UE4Editor_VaRestPlugin_36!TBaseUObjectMethodDelegateInstance<0,UVaRestRequestJSON,TTypeWrapper<void> cdecl(TSharedPtr<IHttpRequest,0>,TSharedPtr<IHttpResponse,1>,bool)>::Execute() [e:\ue4\epic games\4.8\engine\source\runtime\core\public\delegates\delegateinstancesimpl_variadics.inl:681]
UE4Editor_VaRestPlugin_36!TBaseUObjectMethodDelegateInstance<0,UVaRestRequestJSON,void cdecl(TSharedPtr<IHttpRequest,0>,TSharedPtr<IHttpResponse,1>,bool)>::ExecuteIfSafe() [e:\ue4\epic games\4.8\engine\source\runtime\core\public\delegates\delegateinstancesimpl_variadics.inl:770]
UE4Editor_HTTP!TBaseDelegate<void,TSharedPtr<IHttpRequest,0>,TSharedPtr<IHttpResponse,1>,bool>::ExecuteIfBound() [d:\buildfarm\buildmachine
++depot+ue4-releases+4.8\engine\source\runtime\core\public\delegates\delegatesignatureimpl_variadics.inl:519]
UE4Editor_HTTP!FCurlHttpRequest::FinishedRequest() [d:\buildfarm\buildmachine
++depot+ue4-releases+4.8\engine\source\runtime\online\http\private\curl\curlhttp.cpp:711]
UE4Editor_HTTP!FHttpManager::Tick() [d:\buildfarm\buildmachine
++depot+ue4-releases+4.8\engine\source\runtime\online\http\private\httpmanager.cpp:30]
UE4Editor_HTTP!FCurlHttpManager::Tick() [d:\buildfarm\buildmachine
++depot+ue4-releases+4.8\engine\source\runtime\online\http\private\curl\curlhttpmanager.cpp:259]
UE4Editor_Core!FTicker::Tick() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\source\runtime\core\private\containers icker.cpp:107]
UE4Editor!FEngineLoop::Tick() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\source\runtime\launch\private\launchengineloop.cpp:2479]
UE4Editor!GuardedMain() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\source\runtime\launch\private\launch.cpp:142]
UE4Editor!GuardedMainWrapper() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\source\runtime\launch\private\windows\launchwindows.cpp:126]
UE4Editor!WinMain() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\source\runtime\launch\private\windows\launchwindows.cpp:200]

We are using the following blueprint to get the data each 30 seconds (the data we get is a XML from the service):

I’m all lost in here so i would be really thankful of any help.