diff --git a/backend/auth/otp/providers.php b/backend/auth/otp/providers.php
index 7e6e7a5d..9abcc1ae 100644
--- a/backend/auth/otp/providers.php
+++ b/backend/auth/otp/providers.php
@@ -72,6 +72,7 @@ function getNabehBearerToken(): ?string {
     
     if (!$email || !$password) {
         $msg = "⚠️ [Nabeh Auth] Missing NABEH_EMAIL or NABEH_PASSWORD environment variables.";
+        $GLOBALS['last_otp_error'] = $msg;
         error_log($msg);
         return null;
     }
@@ -110,10 +111,12 @@ function getNabehBearerToken(): ?string {
             }
             return $token;
         }
-        $msg = "❌ [Nabeh Auth] Failed to extract token from login response: " . $response;
+        $msg = "❌ [Nabeh Auth Login Failed] Response: " . $response;
+        $GLOBALS['last_otp_error'] = $msg;
         error_log($msg);
     } else {
-        $msg = "❌ [Nabeh Auth] Empty response from login API cURL.";
+        $msg = "❌ [Nabeh Auth Login Failed] Empty response from login API.";
+        $GLOBALS['last_otp_error'] = $msg;
         error_log($msg);
     }
     return null;
@@ -131,8 +134,9 @@ function getNabehBearerToken(): ?string {
 function sendNabehOtp(string $receiver, string $otp, string $method = '', string $user_type = 'passenger'): bool {
     $bearerToken = getNabehBearerToken();
     if (!$bearerToken) {
-        $msg = "⚠️ [Nabeh OTP] Failed to obtain dynamic JWT Bearer token.";
-        error_log($msg);
+        if (empty($GLOBALS['last_otp_error'])) {
+            $GLOBALS['last_otp_error'] = "⚠️ [Nabeh OTP] Failed to obtain dynamic JWT Bearer token.";
+        }
         return false;
     }
 
@@ -185,10 +189,12 @@ function sendNabehOtp(string $receiver, string $otp, string $method = '', string
                 return true;
             }
         }
-        $msg = "❌ [Nabeh OTP] API returned failure/unrecognized response: " . $response;
+        $msg = "❌ [Nabeh OTP Response Failed] Raw: " . $response;
+        $GLOBALS['last_otp_error'] = $msg;
         error_log($msg);
     } else {
-        $msg = "❌ [Nabeh OTP] Empty response from cURL.";
+        $msg = "❌ [Nabeh OTP cURL Failed] Empty response from cURL.";
+        $GLOBALS['last_otp_error'] = $msg;
         error_log($msg);
     }
     return false;