diff --git a/backend/auth/driver/loginUsingCredentialsWithoutGoogle.php b/backend/auth/driver/loginUsingCredentialsWithoutGoogle.php
index 915f345e..0f2d1984 100644
--- a/backend/auth/driver/loginUsingCredentialsWithoutGoogle.php
+++ b/backend/auth/driver/loginUsingCredentialsWithoutGoogle.php
@@ -95,7 +95,7 @@ try {
     }
 } catch (Throwable $e) {
     error_log("[Tester Login Error] " . $e->getMessage() . " in " . $e->getFile() . ":" . $e->getLine());
-    jsonError("Server error occurred.");
+    jsonError("Server error occurred: " . $e->getMessage() . " in " . basename($e->getFile()) . ":" . $e->getLine());
 } finally {
     $stmt = null;
     $con = null;