The project should have a system tag called 'hidden'. If you remove the tag via the API ( None ) that should solve the issue.

How was the project turned to hidden?

Hi @<1547028031053238272:profile|MassiveGoldfish6> , are you self hosted or on the community server? What project is this, a pipelines/dataset project or just some regular project?

Hello @<1523701070390366208:profile|CostlyOstrich36> , I am on a self hosted server. This project has experiments, datasets and models