add à message for client

src/main/java/com/marketingconfort/mobiloca/constants/Message.java

@@ -32,4 +32,6 @@ public class Message {
     public static final String  ROLE_NAME_EMPTY = " role name cannot be empty";
     public static final String  ROLE_NAME_EXISTS = "A role with this email already exists:";
     public static final String ROLE_PERMISSIONS_EMPTY = "permissions cannot be empty";
+
+    public static final String CLIENT_NOT_FOUND = "Client not found with ID: ";
 }
\ No newline at end of file

src/main/java/com/marketingconfort/mobiloca/service/impl/ClientServiceImpl.java

@@ -176,7 +176,7 @@ public class ClientServiceImpl implements ClientService {
     @Override
     public ClientDTO getClientById(Long clientId) throws FunctionalException {
         Client client = clientRepository.findById(clientId)
-                .orElseThrow(() -> new FunctionalException(Message.USER_NOT_FOUND + clientId));
+                .orElseThrow(() -> new FunctionalException(Message.CLIENT_NOT_FOUND + clientId));
 
         return ClientDTO.builder()
                 .id(client.getId())