diff --git a/modules/saml/lib/Error/NoAuthnContext.php b/modules/saml/lib/Error/NoAuthnContext.php
new file mode 100644
index 0000000000000000000000000000000000000000..27f5ecf559c6c67e6786e55b6ddb0ba82ed925b4
--- /dev/null
+++ b/modules/saml/lib/Error/NoAuthnContext.php
@@ -0,0 +1,28 @@
+<?php
+/**
+ * A SAML error indicating that none of the requested Authentication Contexts can be used.
+ *
+ * @author Jaime PĂ©rez Crespo, UNINETT AS <jaime.perez@uninett.no>
+ * @package SimpleSAMLphp
+ */
+
+namespace SimpleSAML\Module\saml\Error;
+
+use SAML2\Constants;
+
+class NoAuthnContext extends \sspmod_saml_Error
+{
+    /**
+     * NoAuthnContext error constructor.
+     *
+     * @param string $responsible A string telling who is responsible for this error. Can be one of the following:
+     *   - \SAML2\Constants::STATUS_RESPONDER: in case the error is caused by this SAML responder.
+     *   - \SAML2\Constants::STATUS_REQUESTER: in case the error is caused by the SAML requester.
+     * @param string|null $message A short message explaining why this error happened.
+     * @param \Exception|null $cause An exception that caused this error.
+     */
+    public function __construct($responsible, $message = null, \Exception $cause = null)
+    {
+        parent::__construct($responsible, Constants::STATUS_NO_AUTHN_CONTEXT, $message, $cause);
+    }
+}
diff --git a/modules/saml/lib/Error/NoAvailableIDP.php b/modules/saml/lib/Error/NoAvailableIDP.php
new file mode 100644
index 0000000000000000000000000000000000000000..9245ef993498164a083fa53654cea01f9d18d73d
--- /dev/null
+++ b/modules/saml/lib/Error/NoAvailableIDP.php
@@ -0,0 +1,28 @@
+<?php
+/**
+ * A SAML error indicating that none of the requested IdPs can be used.
+ *
+ * @author Jaime PĂ©rez Crespo, UNINETT AS <jaime.perez@uninett.no>
+ * @package SimpleSAMLphp
+ */
+
+namespace SimpleSAML\Module\saml\Error;
+
+use SAML2\Constants;
+
+class NoAvailableIDP extends \sspmod_saml_Error
+{
+    /**
+     * NoAvailableIDP error constructor.
+     *
+     * @param string $responsible A string telling who is responsible for this error. Can be one of the following:
+     *   - \SAML2\Constants::STATUS_RESPONDER: in case the error is caused by this SAML responder.
+     *   - \SAML2\Constants::STATUS_REQUESTER: in case the error is caused by the SAML requester.
+     * @param string|null $message A short message explaining why this error happened.
+     * @param \Exception|null $cause An exception that caused this error.
+     */
+    public function __construct($responsible, $message = null, \Exception $cause = null)
+    {
+        parent::__construct($responsible, Constants::STATUS_NO_AVAILABLE_IDP, $message, $cause);
+    }
+}
diff --git a/modules/saml/lib/Error/NoPassive.php b/modules/saml/lib/Error/NoPassive.php
new file mode 100644
index 0000000000000000000000000000000000000000..2fa30be6bd13b376d62fef2cad2dbc7ffe3cf823
--- /dev/null
+++ b/modules/saml/lib/Error/NoPassive.php
@@ -0,0 +1,28 @@
+<?php
+/**
+ * A SAML error indicating that passive authentication cannot be used.
+ *
+ * @author Jaime PĂ©rez Crespo, UNINETT AS <jaime.perez@uninett.no>
+ * @package SimpleSAMLphp
+ */
+
+namespace SimpleSAML\Module\saml\Error;
+
+use SAML2\Constants;
+
+class NoPassive extends \sspmod_saml_Error
+{
+    /**
+     * NoPassive error constructor.
+     *
+     * @param string $responsible A string telling who is responsible for this error. Can be one of the following:
+     *   - \SAML2\Constants::STATUS_RESPONDER: in case the error is caused by this SAML responder.
+     *   - \SAML2\Constants::STATUS_REQUESTER: in case the error is caused by the SAML requester.
+     * @param string|null $message A short message explaining why this error happened.
+     * @param \Exception|null $cause An exception that caused this error.
+     */
+    public function __construct($responsible, $message = null, \Exception $cause = null)
+    {
+        parent::__construct($responsible, Constants::STATUS_NO_PASSIVE, $message, $cause);
+    }
+}
diff --git a/modules/saml/lib/Error/NoSupportedIDP.php b/modules/saml/lib/Error/NoSupportedIDP.php
new file mode 100644
index 0000000000000000000000000000000000000000..0e1e6d7f78abb6eab55902cfa5f177c00733354c
--- /dev/null
+++ b/modules/saml/lib/Error/NoSupportedIDP.php
@@ -0,0 +1,28 @@
+<?php
+/**
+ * A SAML error indicating that none of the IdPs requested are supported.
+ *
+ * @author Jaime PĂ©rez Crespo, UNINETT AS <jaime.perez@uninett.no>
+ * @package SimpleSAMLphp
+ */
+
+namespace SimpleSAML\Module\saml\Error;
+
+use SAML2\Constants;
+
+class NoSupportedIDP extends \sspmod_saml_Error
+{
+    /**
+     * NoSupportedIDP error constructor.
+     *
+     * @param string $responsible A string telling who is responsible for this error. Can be one of the following:
+     *   - \SAML2\Constants::STATUS_RESPONDER: in case the error is caused by this SAML responder.
+     *   - \SAML2\Constants::STATUS_REQUESTER: in case the error is caused by the SAML requester.
+     * @param string|null $message A short message explaining why this error happened.
+     * @param \Exception|null $cause An exception that caused this error.
+     */
+    public function __construct($responsible, $message = null, \Exception $cause = null)
+    {
+        parent::__construct($responsible, Constants::STATUS_NO_SUPPORTED_IDP, $message, $cause);
+    }
+}
diff --git a/modules/saml/lib/Error/ProxyCountExceeded.php b/modules/saml/lib/Error/ProxyCountExceeded.php
new file mode 100644
index 0000000000000000000000000000000000000000..7ded7b61b7f99459b53c2464e0978f7d8d00ed2a
--- /dev/null
+++ b/modules/saml/lib/Error/ProxyCountExceeded.php
@@ -0,0 +1,28 @@
+<?php
+/**
+ * A SAML error indicating that the maximum amount of proxies traversed has been reached.
+ *
+ * @author Jaime PĂ©rez Crespo, UNINETT AS <jaime.perez@uninett.no>
+ * @package SimpleSAMLphp
+ */
+
+namespace SimpleSAML\Module\saml\Error;
+
+use SAML2\Constants;
+
+class ProxyCountExceeded extends \sspmod_saml_Error
+{
+    /**
+     * ProxyCountExceeded error constructor.
+     *
+     * @param string $responsible A string telling who is responsible for this error. Can be one of the following:
+     *   - \SAML2\Constants::STATUS_RESPONDER: in case the error is caused by this SAML responder.
+     *   - \SAML2\Constants::STATUS_REQUESTER: in case the error is caused by the SAML requester.
+     * @param string|null $message A short message explaining why this error happened.
+     * @param \Exception|null $cause An exception that caused this error.
+     */
+    public function __construct($responsible, $message = null, \Exception $cause = null)
+    {
+        parent::__construct($responsible, Constants::STATUS_PROXY_COUNT_EXCEEDED, $message, $cause);
+    }
+}