When you try to link an OpenID Connect account to an existing Tuleap account but you provide a wrong username/password, you get the following error:
Catchable fatal error: Argument 1 passed to Tuleap\OpenIDConnectClient\AccountLinker\Controller::showIndex() must be an instance of HTTPRequest, string given, called in /usr/share/tuleap/plugins/openidconnectclient/include/OpenIDConnectClient/AccountLinker/Controller.php on line 120 and defined in /usr/share/tuleap/plugins/openidconnectclient/include/OpenIDConnectClient/AccountLinker/Controller.php on line 67Call Stack#TimeMemoryFunctionLocation10.0002647768{main}( )../index.php:020.06346570016openidconnectclientPlugin->process( )../index.php:2630.07727224936Tuleap\OpenIDConnectClient\Router->route( )../openidconnectclientPlugin.class.php:26940.07737225248Tuleap\OpenIDConnectClient\AccountLinker\Controller->linkExistingAccount( )../Router.php:6850.08177338592Tuleap\OpenIDConnectClient\AccountLinker\Controller->showIndex( )../Controller.php:120