After enabling single-sign-on (SSO), launching CP throws an error
Error/warning messages
An unexpected error occurred when processing the request. - The type initializer for 'RP_STS_SAML.Code.CustomSecurityTokenService' threw an exception.
Resolution
If missing, add the following entry to the Web.config file under the applicable Changepoint\RP-STS_ADFS(ISAPI\SAML) folder in the <appSettings> section:
<add key="SSO.ValidRelyingParties" value="https://changepoint.abc.corp; https://systemmanager.abc.corp; https://reportdesigner.abc.corp" />
Please note that a semicolon delimits the list of valid relying parties that the customer issues a security token to.