I want to create a ember table component whose value is updated dynamically [Ember.js]

when i bind a tracked variable to the ember table, this is the error that i get

Error: Assertion Failed: You attempted to update rows on <(unknown):ember472>, but it had already been used previously in the same computation. Attempting to update a value after using it in a computation can cause logical errors, infinite revalidation bugs, and performance issues, and is not supported.

rows was first used:

So how do i go about creating a table which changes the value according to the value in the tracked variable