title: Postgres | DatabaseError [SequelizeDatabaseError]: cache lookup failed for relation 66479
body: <p>i have a node backend running with postgres DB on AWS, but whenever i add a new column in existing table it works fine locally on port 8000 with that same DB, but after sometime suddenly i get this error in database ''' DatabaseError [SequelizeDatabaseError]: cache lookup failed for relation 66479 ''' , i have faced this error many time earlier and after few hours this gets fix automatically on the server. but is there any way to fix this error ? <a href="https://i.stack.imgur.com/fmryM.jpg" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/fmryM.jpg" alt="enter image description here" /></a> i am attaching the screenshot.
  also this is happening when i restart my server when npm start runs</p>