ID8030: The value of the 'type' property could not be parsed.Verify that the type attribute of 'issuerNameRegistry type <issuerNameRegistry type="System.IdentityModel.Tokens.ValidatingIssuerNameRegistry, System.IdentityModel.Tokens.ValidatingIssuerNameRegistry">
above error will occurs because there may be problem with proper dll update.
Just check all configuration is correct or update or install System.IdentityModel.Tokens.ValidatingIssuerNameRegistry.
Go to Package Console manager and use below command to install
Install-Package System.IdentityModel.Tokens.ValidatingIssuerNameRegistry
OR
for updating, use below command
Update-Package System.IdentityModel.Tokens.ValidatingIssuerNameRegistry
Hope this works fine :)
