MDL-53777 tool_mobile: Fix incorrect and untranslated string

admin/tool/mobile/lang/en/tool_mobile.php

@@ -34,5 +34,6 @@ $string['logininthebrowser'] = 'Via a browser window (for SSO plugins)';
 $string['loginintheembeddedbrowser'] = 'Via an embedded browser (for SSO plugins)';
 $string['pluginname'] = 'Moodle Mobile tools';
 $string['smartappbanners'] = 'Smart App Banners (iOS only)';
+$string['pluginnotenabledorconfigured'] = 'Plugin not enabled or configured.';
 $string['typeoflogin'] = 'Type of login';
 $string['typeoflogin_desc'] = 'Choose the type of login.';

admin/tool/mobile/launch.php

@@ -41,7 +41,7 @@ if (!$CFG->enablewebservices) {
 $typeoflogin = get_config('tool_mobile', 'typeoflogin');
 if ($typeoflogin != tool_mobile\api::LOGIN_VIA_BROWSER and
         $typeoflogin != tool_mobile\api::LOGIN_VIA_EMBEDDED_BROWSER) {
-    throw new moodle_exception('pluginnotenabledorconfigured', 'local_mobile');
+    throw new moodle_exception('pluginnotenabledorconfigured', 'tool_mobile');
 }
 
 // Check if the service exists and is enabled.