Added a new argument to the constructor of the account repository which should correctly inject the user.

app/Providers/AccountServiceProvider.php

@@ -0,0 +1,49 @@
+<?php
+
+namespace FireflyIII\Providers;
+
+use Auth;
+use FireflyIII\Exceptions\FireflyException;
+use Illuminate\Foundation\Application;
+use Illuminate\Support\ServiceProvider;
+
+/**
+ * Class AccountServiceProvider
+ *
+ * @package FireflyIII\Providers
+ */
+class AccountServiceProvider extends ServiceProvider
+{
+    /**
+     * Bootstrap the application services.
+     *
+     * @return void
+     */
+    public function boot()
+    {
+        //
+    }
+
+    /**
+     * Register the application services.
+     *
+     * @return void
+     */
+    public function register()
+    {
+        $this->app->bind(
+            'FireflyIII\Repositories\Account\AccountRepositoryInterface',
+            function (Application $app, array $arguments) {
+                if (!isset($arguments[0]) && Auth::check()) {
+                    return app('FireflyIII\Repositories\Account\AccountRepository', [Auth::user()]);
+                } else {
+                    if (!isset($arguments[0]) && !Auth::check()) {
+                        throw new FireflyException('There is no user present.');
+                    }
+                }
+
+                return app('FireflyIII\Repositories\Account\AccountRepository', $arguments);
+            }
+        );
+    }
+}

app/Providers/FireflyServiceProvider.php

@@ -19,6 +19,7 @@ use Illuminate\Support\ServiceProvider;
 use Twig;
 use TwigBridge\Extension\Loader\Functions;
 use Validator;
+use Auth;
 
 /**
  * Class FireflyServiceProvider
@@ -82,7 +83,7 @@ class FireflyServiceProvider extends ServiceProvider
         }
         );
 
-        $this->app->bind('FireflyIII\Repositories\Account\AccountRepositoryInterface', 'FireflyIII\Repositories\Account\AccountRepository');
+
         $this->app->bind('FireflyIII\Repositories\Budget\BudgetRepositoryInterface', 'FireflyIII\Repositories\Budget\BudgetRepository');
         $this->app->bind('FireflyIII\Repositories\Category\CategoryRepositoryInterface', 'FireflyIII\Repositories\Category\CategoryRepository');
         $this->app->bind('FireflyIII\Repositories\Category\SingleCategoryRepositoryInterface', 'FireflyIII\Repositories\Category\SingleCategoryRepository');