The control type 'System.Web.UI.WebControls.RegularExpressionValidator' is not allowed on this page. The type System.Web.UI.WebControls.RegularExpressionValidator, System.Web, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a could not be found or it is not registered as safe.
Correlation ID: 1c28c89f-fa3e-a064-b550-b1e929251e89
Date and Time: 5/15/2021 5:01:24 PM