diff --git a/application/Espo/Core/SelectManagers/Base.php b/application/Espo/Core/SelectManagers/Base.php
index 9f3a521c29..e51c635675 100644
--- a/application/Espo/Core/SelectManagers/Base.php
+++ b/application/Espo/Core/SelectManagers/Base.php
@@ -189,7 +189,7 @@ class Base
             } else {
                 if (strpos($sortBy, '.') === false && strpos($sortBy, ':') === false) {
                     if (!$this->getSeed()->hasAttribute($sortBy)) {
-                        throw new Error("Order by non-existing field.");
+                        throw new Error("Order by non-existing field '{$sortBy}'.");
                     }
                 }
             }