Unexpected error

ComponentSpace.SAML2.Exceptions.SAMLSignatureException: Failed to verify signature on HTTP redirect message. at ComponentSpace.SAML2.Bindings.HTTPRedirectBinding.CheckSignature(String redirectURL, String encodedSignature, String messageQueryName, AsymmetricAlgorithm key, String signatureAlgorithm) in C:\Sandboxes\ComponentSpace\SAMLv20\Library\Bindings\HTTPRedirectBinding.cs:line 405 at ComponentSpace.SAML2.InternalSAMLIdentityProvider.VerifyAuthnRequestSignature(HttpRequestBase httpRequest, XmlElement authnRequestElement, String signatureAlgorithm, String signature) in C:\Sandboxes\ComponentSpace\SAMLv20\Library\InternalSAMLIdentityProvider.cs:line 358 at ComponentSpace.SAML2.InternalSAMLIdentityProvider.ProcessAuthnRequest(HttpRequestBase httpRequest, XmlElement authnRequestElement, String signatureAlgorithm, String signature, SSOOptions& ssoOptions) in C:\Sandboxes\ComponentSpace\SAMLv20\Library\InternalSAMLIdentityProvider.cs:line 390 at ComponentSpace.SAML2.InternalSAMLIdentityProvider.ReceiveSSO(HttpRequestBase httpRequest, String& partnerSP, SSOOptions& ssoOptions) in C:\Sandboxes\ComponentSpace\SAMLv20\Library\InternalSAMLIdentityProvider.cs:line 740 at EID.Gateway.Controllers.SamlController.SignOn(String provider, String sameDevice) in C:\home\jenkins\workspace\coreid-gateway_master\src\EID.Gateway\Controllers\SamlController.cs:line 52?.Message