Citrix XenApp StoreFront web shows error "Object reference not set to an instance of an object."


When accessing Citrix XenApp 7.5 StoreFront web it shows the error "Object reference not set to an instance of an object."

Server Error in '/Citrix/StoreWeb' Application.


Object reference not set to an instance of an object.
  Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.


This can occur if the authentication methods have been updated in the Authentication section but not within the Receiver for Web section.









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