pushing to gitlab helm registry gives 403, but works before

  stage: package-tools
  image: 
    name: alpine/helm:3.9.4
    entrypoint: [""]
  variables:
    BASE_DIR: test-tools
  before_script:
    - helm lint $BASE_DIR 
    - helm plugin install https://github.com/chartmuseum/helm-push.git
  script:
    - echo "${CI_API_V4_URL}/projects/${CI_PROJECT_ID}/packages/helm/${CI_COMMIT_REF_SLUG}"     
    - helm package $BASE_DIR -d $BASE_DIR
    - helm repo add --username gitlab-ci-token --password $CI_JOB_TOKEN test-$CI_COMMIT_REF_SLUG ${CI_API_V4_URL}/projects/${CI_PROJECT_ID}/packages/helm/${CI_COMMIT_REF_SLUG}
    - helm cm-push `find $BASE_DIR -name "*.tgz"` test-$CI_COMMIT_REF_SLUG --debug
  artifacts:
    name: Chart
    paths:
      - "$BASE_DIR/*.tgz"
    when: on_success
  tags:
  - runner1
  only:
    changes:
      - test-tools/*

giving error, this works a few days ago, gitlab status page is green

$ helm package $BASE_DIR -d $BASE_DIR
Successfully packaged chart and saved it to: test-tools/test-tools-0.1.1.tgz
$ helm repo add --username gitlab-ci-token --password $CI_JOB_TOKEN test-$CI_COMMIT_REF_SLUG ${CI_API_V4_URL}/projects/${CI_PROJECT_ID}/packages/helm/${CI_COMMIT_REF_SLUG}
"test-main" has been added to your repositories
$ helm cm-push `find $BASE_DIR -name "*.tgz"` test-$CI_COMMIT_REF_SLUG --debug
Pushing test-tools-0.1.1.tgz to test-main...
Error: 403: could not properly parse response JSON: {"message":"403 Forbidden"}