"cluster_block_exception", "reason"=>"blocked by: [FORBIDDEN/12/index read-only / allow delete (api)];"})

~75GB (total), ~54GB (used), ~20GB (free) / 73%

I just checked, not all data got deleted and now whenever I run same query I now get following message:

"reason": "blocked by: [FORBIDDEN/12/index read-only / allow delete (api)];"