Error in sharepoint form when changing infopath view

See more:

SharePoint

InfoPath

As I try to change the Current Vien in the SharePoint Form (based on an Infopath form with multiple views) I get this error: Operation is not valid due to the current state of the object.

w3wp.exe (0x7FDC)
0x4A6C SharePoint Foundation
Runtime
tkau
Unexpected System.InvalidOperationException: Operation is not valid due to the current state of the object.
at System.Web.HttpRequest.FillInFormCollection()
at System.Web.HttpRequest.get_Form()
at Microsoft.SharePoint.SPGlobal.GetParametersFromHttpRequest(SPSite site, Boolean bAuthenticated)
at Microsoft.SharePoint.SPGlobal.CreateSPRequestAndSetIdentity(SPSite site, String name, Boolean bNotGlobalAdminCode, String strUrl, Boolean bNotAddToContext, Byte[] UserToken, String userName, Boolean bIgnoreTokenTimeout, Boolean bAsAnonymous)
at Microsoft.SharePoint.SPWeb.InitializeSPRequest()
at Microsoft.SharePoint.WebControls.SPControl.EnsureSPWebRequest(SPWeb web)
at Microsoft.SharePoint.WebControls.SPControl.SPWebEnsureSPControl(HttpContext context)
at Microsoft.SharePoint.ApplicationRuntime.SPRequestModule.GetContextWeb(HttpContext context)
at Microsoft.SharePoint.ApplicationRuntime.SPRequestModule.PostResolveRequestCacheHandler(Object oSender, EventArgs ea)
at System.Web.HttpApplication.SyncEventExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute()
at System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously)

What I have tried:

I've tried to create an empty view in Infopath and get the same error.
What can I try? Please help!
Thank you.