Merge pull request #2637 from overleaf/jpa-hotfix-graceful-session-access

[ErrorController] handleError: access session gracefully

GitOrigin-RevId: 90c8ce0be80f5f198139a3b079c3a81e200112db

services/web/app/src/Features/Errors/ErrorController.js

@@ -23,7 +23,7 @@ module.exports = ErrorController = {
   handleError(error, req, res, next) {
     const user = AuthenticationController.getSessionUser(req)
     // log errors related to SAML flow
-    if (req.session.saml) {
+    if (req.session && req.session.saml) {
       SamlLogHandler.log(req.session.saml.universityId, req.sessionID, {
         error: {
           message: error && error.message,