diff --git a/dist/treebird20.css b/dist/treebird20.css
index fc0fad1..9da9912 100644
--- a/dist/treebird20.css
+++ b/dist/treebird20.css
@@ -159,6 +159,18 @@ table.present th, table.present td
     margin-top: 5px;
 }
 
+.error
+{
+    display: block;
+    border-radius: 4px;
+    background-color: #fcb0b0;
+    color: #000;
+    border: 1px solid #bb1c1f;
+    padding: 15px;
+    margin: 5px;
+    font-weight: bold;
+}
+
 /*************************************************
  *                  BUTTONS                      *
  *************************************************/
diff --git a/src/base_page.c b/src/base_page.c
index 4d1555a..1dfa009 100644
--- a/src/base_page.c
+++ b/src/base_page.c
@@ -35,8 +35,8 @@ void render_base_page(struct base_page* page, mastodont_t* api)
     char* login_string = "<a href=\"login\" id=\"login-header\">Login / Register</a>";
     char* sidebar_str = NULL;
     // Mastodont, used for notifications sidebar
-    struct mstdnt_storage storage;
-    struct mstdnt_notification* notifs;
+    struct mstdnt_storage storage = { 0 };
+    struct mstdnt_notification* notifs = NULL;
     size_t notifs_len;
 
     if (!g_config.changed && cookie)
@@ -48,7 +48,7 @@ void render_base_page(struct base_page* page, mastodont_t* api)
     }
 
     // Get / Show notifications on sidebar
-    if (cookies.logged_in)
+    if (cookies.logged_in && cookies.access_token)
     {
         struct mstdnt_get_notifications_args args = {
             .exclude_types = 0,
diff --git a/src/lists.c b/src/lists.c
index d99926d..970dcab 100644
--- a/src/lists.c
+++ b/src/lists.c
@@ -21,6 +21,7 @@
 #include "../config.h"
 #include "account.h"
 #include "easprintf.h"
+#include "error.h"
 #include "status.h"
 #include "lists.h"
 #include "string_helpers.h"
@@ -71,17 +72,16 @@ void content_lists(mastodont_t* api, char** data, size_t size)
 
     if (mastodont_get_lists(api, &lists, &storage, &size_list))
     {
-        lists_format = "An error occured while fetching lists";
+        lists_page = construct_error(storage.error, NULL);
     }
     else {
         lists_format = construct_lists(lists, size_list, NULL);
         if (!lists_format)
             lists_format = "Error in malloc!";
         cleanup = 1;
+        lists_page = construct_lists_view(lists_format, NULL);
     }
 
-    lists_page = construct_lists_view(lists_format, NULL);
-
     struct base_page b = {
         .locale = L10N_EN_US,
         .content = lists_page,
diff --git a/src/page_config.c b/src/page_config.c
index 35d1f69..add29a6 100644
--- a/src/page_config.c
+++ b/src/page_config.c
@@ -43,7 +43,7 @@ void content_config(mastodont_t* api, char** data, size_t size)
     struct base_page b = {
         .locale = L10N_EN_US,
         .content = data_config_html,
-        .sidebar_left = NULL
+        .sidebar_left = data_config_sidebar_html
     };
 
     render_base_page(&b, api);
diff --git a/src/string_helpers.h b/src/string_helpers.h
index 77736b8..0305ba0 100644
--- a/src/string_helpers.h
+++ b/src/string_helpers.h
@@ -20,6 +20,9 @@
 #define STRING_HELPERS_H
 #include <stddef.h>
 
+/** Returns str. If NULL, returns empty string */
+#define STR_NULL_EMPTY(str) ((str) ? (str) : "")
+
 /**
  * Constructs a string based on a function
  *
diff --git a/src/timeline.c b/src/timeline.c
index 31cb7da..483207d 100644
--- a/src/timeline.c
+++ b/src/timeline.c
@@ -26,6 +26,7 @@
 #include "reply.h"
 #include "navigation.h"
 #include "query.h"
+#include "string_helpers.h"
 
 #include "../static/navigation.chtml"
 
@@ -33,10 +34,12 @@ void tl_public(mastodont_t* api, int local)
 {
     int cleanup = 0;
     size_t status_count, statuses_html_count;
-    struct mstdnt_status* statuses;
+    struct mstdnt_status* statuses = NULL;
     struct mstdnt_storage storage = { 0 };
-    char* status_format, *post_box, *navigation_box;
-    char* output = NULL;
+    char* status_format = NULL,
+        *post_box,
+        *navigation_box = NULL,
+        *output = NULL;
     char* start_id;
 
     struct mstdnt_args args = {
@@ -63,16 +66,21 @@ void tl_public(mastodont_t* api, int local)
         cleanup = 1;
     }
 
-    // If not set, set it
-    start_id = post.start_id ? post.start_id : statuses[0].id;
-
     // Create post box
     post_box = construct_post_box(NULL, "", NULL);
-    navigation_box = construct_navigation_box(start_id,
-                                              statuses[0].id,
-                                              statuses[status_count-1].id,
-                                              NULL);
-    easprintf(&output, "%s%s%s", post_box, status_format, navigation_box);
+    if (statuses)
+    {
+        // If not set, set it
+        start_id = post.start_id ? post.start_id : statuses[0].id;
+        navigation_box = construct_navigation_box(start_id,
+                                                  statuses[0].id,
+                                                  statuses[status_count-1].id,
+                                                  NULL);
+    }
+    easprintf(&output, "%s%s%s",
+              post_box,
+              STR_NULL_EMPTY(status_format),
+              STR_NULL_EMPTY(navigation_box));
 
     struct base_page b = {
         .locale = L10N_EN_US,
diff --git a/static/config_sidebar.html b/static/config_sidebar.html
new file mode 100644
index 0000000..a298a8f
--- /dev/null
+++ b/static/config_sidebar.html
@@ -0,0 +1,4 @@
+<li>
+  <a class="sidebarbtn-sub" href="%s/config/general">%s</a>
+  <a class="sidebarbtn-sub" href="%s/config/appearance">%s</a>
+</li>