Edit page for any forum topic not opening and instead showing a blank page

[Digital Splendid]

Activated this plugin and enabled blocks feature for bbPress forum topics. After activating, the edit page for any forum topic not opening and instead showing a blank page

https://www.canva.com/design/DAGWZTgELBs/xb_25X4jvLVi_Q5DRyYCJg/edit?utm_content=DAGWZTgELBs&utm_campaign=designshare&utm_medium=link2&utm_source=sharebutton

• This topic was modified 1 week, 5 days ago by Digital Splendid.
• This topic was modified 1 week, 5 days ago by Digital Splendid.

The page I need help with: [log in to see the link]