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Configuration Error

Description: An error occurred during the processing of a configuration file required to service this request. Please review the specific error details below and modify your configuration file appropriately.
این error چجوری رفع کنم؟:41:
Parser Error Message: It is an error to use a section registered as allowDefinition='MachineToApplication' beyond application level. This error can be caused by a virtual directory not being configured as an application in IIS.

Source Error:

Line 86: <globalization culture="fa-IR" uiCulture="fa-IR" fileEncoding="utf-8" requestEncoding="utf-8" responseEncoding="utf-8" responseHeaderEncoding="utf-8"/>Line 87: <!-- ************************************************** -->Line 88: <siteMap enabled="true" defaultProvider="Dtx Site Map Provider">Line 89: <providers>Line 90: <clear/>