The element that Cypress was interacting with was removed from the DOM and re-rendered. This is common in React/Vue/Angular apps where components re-render.
// Instead of storing the element:
// const el = cy.get('#item');
// el.click();
// Always re-query:
cy.get('#item').click();Cypress automatically retries the query. Avoid storing element references in variables.
cy.get('[data-testid="list-item"]')
.should('have.length', 5)
.first()
.click();Assert on the list stability before interacting with individual items.
ObserveOne detects DOM instability patterns and helps you write more resilient tests.
Start Monitoring FreeA Cypress command timed out while retrying. Cypress automatically retries assertions until the timeout, then fails. The default is 4 seconds.
Cypress could not find any element matching the selector within the timeout period. The element may not exist, may have a different selector, or may not have been rendered yet.
cy.visit() failed to load the target URL. The server may be unreachable, or the response status code indicates an error.
cy.request() failed because the server returned an error, the connection was refused, or the request timed out.
A Chai assertion in Cypress failed because the actual value did not match the expected value. This is the most common test failure type.