when enable module ldap , it happen failures

[zwp201301]

error detail:

SimpleSAML_Error_Error: UNHANDLEDEXCEPTION

Backtrace:
1 www/_include.php:45 (SimpleSAML_exception_handler)
0 [builtin] (N/A)
Caused by: Exception: Could not resolve 'ldap:Ldap': no class named 'sspmod_ldap_Auth_Source_Ldap' or 'SimpleSAML\Module\ldap\Auth\Source\Ldap'.
Backtrace:
6 lib/SimpleSAML/Module.php:277 (SimpleSAML\Module::resolveClass)
5 lib/SimpleSAML/Auth/Source.php:298 (SimpleSAML_Auth_Source::parseAuthSource)
4 lib/SimpleSAML/Auth/Source.php:343 (SimpleSAML_Auth_Source::getById)
3 lib/SimpleSAML/Auth/Simple.php:56 (SimpleSAML\Auth\Simple::getAuthSource)
2 lib/SimpleSAML/Auth/Simple.php:160 (SimpleSAML\Auth\Simple::login)
1 modules/core/www/authenticate.php:36 (require)
0 www/module.php:135 (N/A)

authsources.php

[ // The default is to use core:AdminPassword, but it can be replaced with // any authentication source. 'core:AdminPassword', ], // Example of a LDAP authentication source. 'example-ldap' => [ 'ldap:Ldap', // The connection string for the LDAP-server. // You can add multiple by separating them with a space. 'connection_string' => '192.168.10.62:389', // Whether SSL/TLS should be used when contacting the LDAP server. // Possible values are 'ssl', 'tls' or 'none' 'encryption' => 'none', // The LDAP version to use when interfacing the LDAP-server. // Defaults to 3 'version' => 3, // Set to TRUE to enable LDAP debug level. Passed to the LDAP connector class. // // Default: FALSE // Required: No 'ldap.debug' => false, // The LDAP-options to pass when setting up a connection // See [Symfony documentation][1] 'options' => [ // Set whether to follow referrals. // AD Controllers may require 0x00 to function. // Possible values are 0x00 (NEVER), 0x01 (SEARCHING), // 0x02 (FINDING) or 0x03 (ALWAYS). 'referrals' => 0x00, 'network_timeout' => 3, ], // The connector to use. // Defaults to '\SimpleSAML\Module\ldap\Connector\Ldap', but can be set // to '\SimpleSAML\Module\ldap\Connector\ActiveDirectory' when // authenticating against Microsoft Active Directory. This will // provide you with more specific error messages. 'connector' => '\SimpleSAML\Module\ldap\Connector\Ldap', // Which attributes should be retrieved from the LDAP server. // This can be an array of attribute names, or NULL, in which case // all attributes are fetched. 'attributes' => null, // Which attributes should be base64 encoded after retrieval from // the LDAP server. 'attributes.binary' => [ 'jpegPhoto', 'objectGUID', 'objectSid', 'mS-DS-ConsistencyGuid' ], // The pattern which should be used to create the user's DN given // the username. %username% in this pattern will be replaced with // the user's username. // // This option is not used if the search.enable option is set to TRUE. 'dnpattern' => 'uid=%username%,ou=people,dc=xxx,dc=com', // As an alternative to specifying a pattern for the users DN, it is // possible to search for the username in a set of attributes. This is // enabled by this option. 'search.enable' => false, // An array on DNs which will be used as a base for the search. In // case of multiple strings, they will be searched in the order given. 'search.base' => [ 'ou=people,dc=xxx,dc=com', ], // The scope of the search. Valid values are 'sub' and 'one' and // 'base', first one being the default if no value is set. //'search.scope' => 'sub', // The attribute(s) the username should match against. // // This is an array with one or more attribute names. Any of the // attributes in the array may match the value the username. 'search.attributes' => ['uid', 'mail'], // Additional filters that must match for the entire LDAP search to // be true. // // This should be a single string conforming to [RFC 1960][2] // and [RFC 2544][3]. The string is appended to the search attributes //'search.filter' => '(&(objectClass=Person)(|(sn=Doe)(cn=John *)))', // The username & password where SimpleSAMLphp should bind to before // searching. If this is left NULL, no bind will be performed before // searching. 'search.username' => 'cn=admin,dc=xxx,dc=com', 'search.password' => 'password', ], ];