error

[bilbash9]

How can solve this error?

Plugin auth_webservice does not declare valid $plugin->component in its version.php.
line 324 of \lib\classes\plugin_manager.php: call to debugging()
line 344 of \lib\classes\plugin_manager.php: call to core_plugin_manager->load_present_plugins()
line 221 of \lib\classes\plugininfo\base.php: call to core_plugin_manager->get_present_plugins()

line 147 of \lib\classes\plugininfo\base.php: call to core\plugininfo\base->load_disk_version()
line 101 of \lib\classes\plugininfo\base.php: call to core\plugininfo\base::make_plugin_instance()
line 404 of \lib\classes\plugin_manager.php: call to core\plugininfo\base::get_plugins()
line 364 of \lib\classes\plugin_manager.php: call to core_plugin_manager->get_plugins_of_type()
line 765 of \lib\classes\plugin_manager.php: call to core_plugin_manager->get_plugins()
line 703 of \admin\index.php: call to core_plugin_manager->all_plugins_ok()