diff --git a/routes/manage.js b/routes/manage.js
index 44abc09..d343952 100644
--- a/routes/manage.js
+++ b/routes/manage.js
@@ -68,17 +68,25 @@ router.post('/game', checkLoginStatus.user, async function(req, res, next) {
 });
 
 router.get('/season', checkLoginStatus.admin, function(req, res, next) {
-  res.render('manage/addseason', { title: 'Add Season', currentYear : (new Date()).getFullYear(), userLoggedIn: !!req.user });
+  res.render('manage/addseason', { title: 'Add Season', currentYear : (new Date()).getFullYear(), userLoggedIn: !!req.user, message: req.flash('error') });
 });
 
-router.post('/season', checkLoginStatus.admin, function(req, res, next) {
-  const year = req.body['year'];
+router.post('/season', checkLoginStatus.admin, async function(req, res, next) {
+  try {
+    const year = req.body['year'];
 
-  const seasonID = req.body['season'];
-  const remove = req.body['remove'];
+    const seasonID = req.body['season'];
+    const remove = req.body['remove'];
 
-  if(remove) seasons.remove(seasonID).then(res.redirect('/manage'));
-  else seasons.add(year).then(res.redirect("/manage"));
+    if(remove) await seasons.remove(seasonID);
+    else await seasons.add(year);
+
+    res.redirect('/manage');
+  } catch(err) {
+    console.error("ERROR: " + err.message);
+    req.flash("error", "An error has occurred.");
+    res.redirect('/manage/season');
+  }
 });
 
 router.get('/sport', checkLoginStatus.admin, function(req, res, next) {
diff --git a/views/manage/addseason.pug b/views/manage/addseason.pug
index 27783b5..ba43698 100644
--- a/views/manage/addseason.pug
+++ b/views/manage/addseason.pug
@@ -10,6 +10,7 @@ block content
         label Ending year
         span(class='form-section-input')
           input#season-textbox(type="number", name="year", value=currentYear)
+      .error #{message}
       span(class='form-section')
         button#submit-button(type="submit" disabled) Submit