code: private void verifyRepoRegistered(String repoFullName) {
      lock.readLock().lock();
      try {
        if (!entityListenersByRepo.containsKey(requireNonNull(repoFullName))) {
          LOG.error(
              "Repository [{}] is not registered in the entity listeners service", repoFullName);
          throw new MolgenisDataException(
              "Repository ["
                  + repoFullName
                  + "] is not registered, please contact your administrator");
        }
      } finally {
        lock.readLock().unlock();
      }
    }
docs: Verify that the repository is registered