@Replace
public class ServerAccessControlService extends AccessControlService {
  private static final Logger LOG = LoggerFactory.getLogger(ServerAccessControlService.class);

  /*
   * Fetch collections from the database based on the database userId
   */
  @Override
  protected IPermissionCollection execLoadPermissions(String userId) {
    // Original
    IPermissionCollection permissions = BEANS.get(DefaultPermissionCollection.class);
    permissions.add(new RemoteServiceAccessPermission("*.shared.*", "*"), PermissionLevel.ALL);

    if (ServerSession.get().getDbUserId() != "1") {
      CategoryLabelResponseEntityDo response =
          BEANS.get(CategoryLabelResourceClient.class).getPermissionsList("1", TEXTS.get("No"));
      List<CategoryLabelEntityDo> labels = response.result().get().get(0);
      
      labels.forEach(
          label -> LOG.info(label.getString("autorisation") + " retrieved from database."));

      List<String> permissionsList = new ArrayList<String>();

      labels.forEach(label -> permissionsList.add(label.getString("autorisation")));

      for (String permissionName : permissionsList) {
        try {
          // permissions.add(
          // (IPermission) Class.forName(permissionName).getDeclaredConstructor().newInstance(),
          // PermissionLevel.ALL);

          //!!!  THE NEXT LINE throws a ClassNotFound exception
          permissions.add(
              (IPermission) Class.forName(permissionName).getConstructor().newInstance(),
              PermissionLevel.ALL);
        } catch (Exception e) {
          BEANS.get(ExceptionHandler.class).handle(e);
          LOG.error("Cannot find permission " + permissionName + ": " + e.getMessage());
        }
      }
      // For non-administrator roles (database userId greater than 1)
      return permissions;
    } else {
      // For administrator role (database userId of 1)
      return BEANS.get(AllPermissionCollection.class);
    }
  }
}

permissions.add((IPermission) Class.forName(permissionName).getConstructor().newInstance(), PermissionLevel.ALL);