Merge branch '495518-update-errors-with-new-value' into 'master'

Update error handling of subscription

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/172643



Merged-by: Miranda Fluharty <mfluharty@gitlab.com>
Approved-by: Sharmad Nachnolkar <snachnolkar@gitlab.com>
Approved-by: Miranda Fluharty <mfluharty@gitlab.com>
Reviewed-by: Miranda Fluharty <mfluharty@gitlab.com>
Reviewed-by: Alexander Turinske <aturinske@gitlab.com>
Co-authored-by: Alexander Turinske <aturinske@gitlab.com>