Uncaught exception

Unable to locate file in ./__swift/library/Samlsso/class.SWIFT_SamlSsoWrapper.php OR /var/www/__apps/samlsso/client/class.SWIFT_SamlSsoWrapper.php OR ./__swift/apps/core/library/Samlsso/class.SWIFT_SamlSsoWrapper.php OR ./__swift/apps/base/library/Samlsso/class.SWIFT_SamlSsoWrapper.php OR ./__apps/samlsso/library/Samlsso/class.SWIFT_SamlSsoWrapper.php