Added nil protection for response.

lua/presence/init.lua

@@ -355,8 +355,10 @@ function Presence:authorize(on_done)
       return
     end
 
+    if response ~= nil then
       self.log:info(string.format("Authorized with Discord for %s", response.data.user.username))
       self.is_authorized = true
+    end
 
     if on_done then on_done() end
   end)
@@ -725,7 +727,6 @@ function Presence:get_buttons(buffer, parent_dirpath)
 
   -- Default behavior to show a "View Repository" button if the repo URL is valid
   if repo_url then
-
     -- Check if repo url uses short ssh syntax
     local domain, project = repo_url:match("^git@(.+):(.+)$")
     if domain and project then