Error:42501, message: 'new row violates row-level security policy for table "pg"

[DevinLin01]

when i ran the command npm run embed, I get this error. How to solve it?

error {
  code: '42501',
  details: null,
  hint: null,
  message: 'new row violates row-level security policy for table "pg"'
}

@mckaywrigley