diff --git a/modules/turnero/api/chat_send_message.php b/modules/turnero/api/chat_send_message.php
index cd57dec..fff3e48 100644
--- a/modules/turnero/api/chat_send_message.php
+++ b/modules/turnero/api/chat_send_message.php
@@ -35,7 +35,10 @@ try {
     $wa = new WhatsAppService('turnero');
 
     if ($type === 'template') {
-        $response = $wa->sendTemplateMessage($user['phone_number'], $template, $lang, $params);
+        error_log("chat_send_message template: name={$template} lang={$lang} params=" . json_encode($params));
+        $meta = ['canal' => 'turnero'];
+        if ($operatorId) $meta['operator_id'] = $operatorId;
+        $response = $wa->sendTemplateMessage($user['phone_number'], $template, $lang, $params, [], null, $meta);
     } else {
         $extra = ['canal' => 'turnero'];
         if ($operatorId) $extra['operator_id'] = $operatorId;
diff --git a/services/WhatsAppService.php b/services/WhatsAppService.php
index 33ffa8c..a15a683 100644
--- a/services/WhatsAppService.php
+++ b/services/WhatsAppService.php
@@ -854,16 +854,17 @@ class WhatsAppService
         $decoded = json_decode($response, true);
 
         if ($httpCode >= 400) {
-            $errorMsg = isset($decoded['error']['message']) ? $decoded['error']['message'] : 'Error desconocido';
-            
-            // Debug detallado
-            error_log("WhatsApp API Error Details:");
-            error_log("- URL: " . $url);
-            error_log("- HTTP Code: " . $httpCode);
-            error_log("- Response: " . $response);
-            error_log("- Token (first 20 chars): " . substr($this->token, 0, 20) . "...");
-            
-            throw new Exception("Error de WhatsApp API: " . $errorMsg);
+            $err     = $decoded['error'] ?? [];
+            $errorMsg = $err['message'] ?? 'Error desconocido';
+            $details  = $err['error_data']['details'] ?? ($err['error_data']['description'] ?? null);
+            $subcode  = $err['error_subcode'] ?? null;
+
+            error_log("WhatsApp API Error: HTTP={$httpCode} code={$err['code']} sub={$subcode} msg={$errorMsg} details={$details} body=" . substr($response, 0, 400));
+
+            $full = $errorMsg;
+            if ($subcode) $full .= " (sub:{$subcode})";
+            if ($details) $full .= " — {$details}";
+            throw new Exception("Error de WhatsApp API: " . $full);
         }
 
         return $decoded;