diff --git a/src/main/java/net/gepafin/tendermanagement/dao/AppointmentDao.java b/src/main/java/net/gepafin/tendermanagement/dao/AppointmentDao.java
index 969a5430..5048e1df 100644
--- a/src/main/java/net/gepafin/tendermanagement/dao/AppointmentDao.java
+++ b/src/main/java/net/gepafin/tendermanagement/dao/AppointmentDao.java
@@ -772,19 +772,28 @@ public class AppointmentDao {
     public AppointmentLoginResponse parseVisuraResponse(String jsonResponse) {
 
         try {
+            // Log full raw JSON for debug purposes
+            log.info("Raw Visura JSON Response: {}", jsonResponse);
             ObjectMapper objectMapper = new ObjectMapper();
             JsonNode rootNode = objectMapper.readTree(jsonResponse);
             JsonNode dataNode = rootNode.get(GepafinConstant.DATA_STRING);
 
-            if (dataNode != null) {
+            if (dataNode != null && dataNode.isObject()) {
                 AppointmentLoginResponse response = new AppointmentLoginResponse();
-                response.setIdVisura(normalizeNullValue(dataNode.get(GepafinConstant.ID_VISURA_STRING).asText()));
-                response.setNdg(normalizeNullValue(dataNode.get(GepafinConstant.NDG_STRING).asText()));
+                JsonNode idVisuraNode = dataNode.get(GepafinConstant.ID_VISURA_STRING);
+                JsonNode ndgNode = dataNode.get(GepafinConstant.NDG_STRING);
+                if (idVisuraNode == null || ndgNode == null) {
+                    log.error("Missing expected fields in 'data' node. JSON: {}", dataNode);
+                }
+                response.setIdVisura(normalizeNullValue(idVisuraNode != null ? idVisuraNode.asText() : null));
+                response.setNdg(normalizeNullValue(ndgNode != null ? ndgNode.asText() : null));
                 return response;
             } else {
-                throw new RuntimeException("Invalid JSON structure: Missing 'data' node.");
+                System.err.println("Invalid JSON: 'data' node is missing or not an object.");
+                throw new RuntimeException("Invalid JSON structure: Missing or malformed 'data' node.");
             }
         } catch (Exception e) {
+            System.err.println("Exception while parsing Visura response: " + e.getMessage());
             throw new RuntimeException("Failed to parse response: " + e.getMessage(), e);
         }
     }