Widget Error

Controller: ProductDetails
Action: Index
Exception: ArgumentNullException
Value cannot be null.
Parameter name: value

Stack Trace:
at System.Web.Caching.CacheEntry..ctor(String key, Object value, CacheDependency dependency, CacheItemRemovedCallback onRemovedHandler, DateTime utcAbsoluteExpiration, TimeSpan slidingExpiration, CacheItemPriority priority, Boolean isPublic, CacheInternal cache)
at System.Web.Caching.CacheInternal.DoInsert(Boolean isPublic, String key, Object value, CacheDependency dependencies, DateTime utcAbsoluteExpiration, TimeSpan slidingExpiration, CacheItemPriority priority, CacheItemRemovedCallback onRemoveCallback, Boolean replace)
at System.Web.Caching.AspNetCache.Add(String key, Object item, CacheInsertOptions options)
at System.Web.Caching.Cache.Add(String key, Object value, CacheDependency dependencies, DateTime absoluteExpiration, TimeSpan slidingExpiration, CacheItemPriority priority, CacheItemRemovedCallback onRemoveCallback)
at Roc.Sitefinity.SDK.Services.ProductService.GetProductDetails(Guid productId, Dictionary`2 requestData) in F:\agent2018\_work\909\s\Roc.Sitefinity\Roc.Base\Roc.Sitefinity.SDK\Services\ProductService.cs:line 182
at Roc.Sitefinity.Widgets.Products.Mvc.Controllers.ProductDetailsController.Index() in F:\agent2018\_work\909\s\Roc.Sitefinity\Roc.Base\Roc.Sitefinity.Widgets.Products\Mvc\Controllers\ProductDetailsController.cs:line 51
at lambda_method(Closure , ControllerBase , Object[] )
at System.Web.Mvc.ControllerActionInvoker.InvokeActionMethod(ControllerContext controllerContext, ActionDescriptor actionDescriptor, IDictionary`2 parameters)
at System.Web.Mvc.ControllerActionInvoker.<>c__DisplayClass24_0.b__0()
at System.Web.Mvc.ControllerActionInvoker.InvokeActionMethodFilter(IActionFilter filter, ActionExecutingContext preContext, Func`1 continuation)
at System.Web.Mvc.ControllerActionInvoker.InvokeActionMethodFilter(IActionFilter filter, ActionExecutingContext preContext, Func`1 continuation)
at System.Web.Mvc.ControllerActionInvoker.InvokeActionMethodFilter(IActionFilter filter, ActionExecutingContext preContext, Func`1 continuation)
at System.Web.Mvc.ControllerActionInvoker.InvokeActionMethodFilter(IActionFilter filter, ActionExecutingContext preContext, Func`1 continuation)
at System.Web.Mvc.ControllerActionInvoker.InvokeActionMethodFilter(IActionFilter filter, ActionExecutingContext preContext, Func`1 continuation)
at System.Web.Mvc.ControllerActionInvoker.InvokeActionMethodFilter(IActionFilter filter, ActionExecutingContext preContext, Func`1 continuation)
at System.Web.Mvc.ControllerActionInvoker.InvokeActionMethodFilter(IActionFilter filter, ActionExecutingContext preContext, Func`1 continuation)
at System.Web.Mvc.ControllerActionInvoker.InvokeActionMethodFilter(IActionFilter filter, ActionExecutingContext preContext, Func`1 continuation)
at System.Web.Mvc.ControllerActionInvoker.InvokeActionMethodFilter(IActionFilter filter, ActionExecutingContext preContext, Func`1 continuation)
at System.Web.Mvc.ControllerActionInvoker.InvokeAction(ControllerContext controllerContext, String actionName)

Widget Error

Controller: ProductAccordion
Action: Index
Exception: RocCommunicationException
'"' is an unexpected token. Expecting white space. Line 1, position 50.

Stack Trace:
at Roc.Sitefinity.Core.Services.ServiceManager.Get[T](String serviceEndpoint, IRestResponse`1& response, Dictionary`2 parameters, Dictionary`2 segments) in F:\agent2018\_work\909\s\Roc.Sitefinity\Roc.Base\Roc.Sitefinity.Core\Services\ServiceManager.cs:line 284
at Roc.Sitefinity.Core.Services.ServiceManager.CachedGet[T](String serviceEndpoint, Dictionary`2 parameters, Dictionary`2 segments, Int32 expireInSeconds, Boolean useSeparateCacheForAuthUsers, Boolean forceRefresh) in F:\agent2018\_work\909\s\Roc.Sitefinity\Roc.Base\Roc.Sitefinity.Core\Services\ServiceManager.cs:line 333
at Roc.Sitefinity.Widgets.Products.Services.ProductTabsService.GetTabs(Guid productId) in F:\agent2018\_work\909\s\Roc.Sitefinity\Roc.Base\Roc.Sitefinity.Widgets.Products\Services\ProductTabsService.cs:line 21
at Roc.Sitefinity.Widgets.Products.Mvc.Controllers.ProductAccordionController.Index() in F:\agent2018\_work\909\s\Roc.Sitefinity\Roc.Base\Roc.Sitefinity.Widgets.Products\Mvc\Controllers\ProductAccordionController.cs:line 27
at lambda_method(Closure , ControllerBase , Object[] )
at System.Web.Mvc.ControllerActionInvoker.InvokeActionMethod(ControllerContext controllerContext, ActionDescriptor actionDescriptor, IDictionary`2 parameters)
at System.Web.Mvc.ControllerActionInvoker.<>c__DisplayClass24_0.b__0()
at System.Web.Mvc.ControllerActionInvoker.InvokeActionMethodFilter(IActionFilter filter, ActionExecutingContext preContext, Func`1 continuation)
at System.Web.Mvc.ControllerActionInvoker.InvokeActionMethodFilter(IActionFilter filter, ActionExecutingContext preContext, Func`1 continuation)
at System.Web.Mvc.ControllerActionInvoker.InvokeActionMethodFilter(IActionFilter filter, ActionExecutingContext preContext, Func`1 continuation)
at System.Web.Mvc.ControllerActionInvoker.InvokeActionMethodFilter(IActionFilter filter, ActionExecutingContext preContext, Func`1 continuation)
at System.Web.Mvc.ControllerActionInvoker.InvokeActionMethodFilter(IActionFilter filter, ActionExecutingContext preContext, Func`1 continuation)
at System.Web.Mvc.ControllerActionInvoker.InvokeActionMethodFilter(IActionFilter filter, ActionExecutingContext preContext, Func`1 continuation)
at System.Web.Mvc.ControllerActionInvoker.InvokeActionMethodFilter(IActionFilter filter, ActionExecutingContext preContext, Func`1 continuation)
at System.Web.Mvc.ControllerActionInvoker.InvokeActionMethodFilter(IActionFilter filter, ActionExecutingContext preContext, Func`1 continuation)
at System.Web.Mvc.ControllerActionInvoker.InvokeActionMethodFilter(IActionFilter filter, ActionExecutingContext preContext, Func`1 continuation)
at System.Web.Mvc.ControllerActionInvoker.InvokeAction(ControllerContext controllerContext, String actionName)

Widget Error

Controller: RocSearchGroupProductFacets
Action: Index
Exception: NullReferenceException
Object reference not set to an instance of an object.

Stack Trace:
at Roc.Sitefinity.SDK.Services.RocSearchService.GetSearchResultsForGroupProduct(ProductViewModel groupProduct) in F:\agent2018\_work\909\s\Roc.Sitefinity\Roc.Base\Roc.Sitefinity.SDK\Services\RocSearchService.cs:line 302
at Roc.Sitefinity.Widgets.RocSearch.Mvc.Controllers.RocSearchGroupProductController.Index() in F:\agent2018\_work\909\s\Roc.Sitefinity\Roc.Base\Roc.Sitefinity.Widgets.RocSearch\Mvc\Controllers\RocSearchGroupProductController.cs:line 30
at lambda_method(Closure , ControllerBase , Object[] )
at System.Web.Mvc.ControllerActionInvoker.InvokeActionMethod(ControllerContext controllerContext, ActionDescriptor actionDescriptor, IDictionary`2 parameters)
at System.Web.Mvc.ControllerActionInvoker.<>c__DisplayClass24_0.b__0()
at System.Web.Mvc.ControllerActionInvoker.InvokeActionMethodFilter(IActionFilter filter, ActionExecutingContext preContext, Func`1 continuation)
at System.Web.Mvc.ControllerActionInvoker.InvokeActionMethodFilter(IActionFilter filter, ActionExecutingContext preContext, Func`1 continuation)
at System.Web.Mvc.ControllerActionInvoker.InvokeActionMethodFilter(IActionFilter filter, ActionExecutingContext preContext, Func`1 continuation)
at System.Web.Mvc.ControllerActionInvoker.InvokeActionMethodFilter(IActionFilter filter, ActionExecutingContext preContext, Func`1 continuation)
at System.Web.Mvc.ControllerActionInvoker.InvokeActionMethodFilter(IActionFilter filter, ActionExecutingContext preContext, Func`1 continuation)
at System.Web.Mvc.ControllerActionInvoker.InvokeActionMethodFilter(IActionFilter filter, ActionExecutingContext preContext, Func`1 continuation)
at System.Web.Mvc.ControllerActionInvoker.InvokeActionMethodFilter(IActionFilter filter, ActionExecutingContext preContext, Func`1 continuation)
at System.Web.Mvc.ControllerActionInvoker.InvokeActionMethodFilter(IActionFilter filter, ActionExecutingContext preContext, Func`1 continuation)
at System.Web.Mvc.ControllerActionInvoker.InvokeAction(ControllerContext controllerContext, String actionName)

Widget Error

Controller: RocSearchGroupProduct
Action: Index
Exception: NullReferenceException
Object reference not set to an instance of an object.

Stack Trace:
at Roc.Sitefinity.SDK.Services.RocSearchService.GetSearchResultsForGroupProduct(ProductViewModel groupProduct) in F:\agent2018\_work\909\s\Roc.Sitefinity\Roc.Base\Roc.Sitefinity.SDK\Services\RocSearchService.cs:line 302
at Roc.Sitefinity.Widgets.RocSearch.Mvc.Controllers.RocSearchGroupProductController.Index() in F:\agent2018\_work\909\s\Roc.Sitefinity\Roc.Base\Roc.Sitefinity.Widgets.RocSearch\Mvc\Controllers\RocSearchGroupProductController.cs:line 30
at lambda_method(Closure , ControllerBase , Object[] )
at System.Web.Mvc.ControllerActionInvoker.InvokeActionMethod(ControllerContext controllerContext, ActionDescriptor actionDescriptor, IDictionary`2 parameters)
at System.Web.Mvc.ControllerActionInvoker.<>c__DisplayClass24_0.b__0()
at System.Web.Mvc.ControllerActionInvoker.InvokeActionMethodFilter(IActionFilter filter, ActionExecutingContext preContext, Func`1 continuation)
at System.Web.Mvc.ControllerActionInvoker.InvokeActionMethodFilter(IActionFilter filter, ActionExecutingContext preContext, Func`1 continuation)
at System.Web.Mvc.ControllerActionInvoker.InvokeActionMethodFilter(IActionFilter filter, ActionExecutingContext preContext, Func`1 continuation)
at System.Web.Mvc.ControllerActionInvoker.InvokeActionMethodFilter(IActionFilter filter, ActionExecutingContext preContext, Func`1 continuation)
at System.Web.Mvc.ControllerActionInvoker.InvokeActionMethodFilter(IActionFilter filter, ActionExecutingContext preContext, Func`1 continuation)
at System.Web.Mvc.ControllerActionInvoker.InvokeActionMethodFilter(IActionFilter filter, ActionExecutingContext preContext, Func`1 continuation)
at System.Web.Mvc.ControllerActionInvoker.InvokeActionMethodFilter(IActionFilter filter, ActionExecutingContext preContext, Func`1 continuation)
at System.Web.Mvc.ControllerActionInvoker.InvokeActionMethodFilter(IActionFilter filter, ActionExecutingContext preContext, Func`1 continuation)
at System.Web.Mvc.ControllerActionInvoker.InvokeAction(ControllerContext controllerContext, String actionName)