> For the complete documentation index, see [llms.txt](https://soufatn.gitbook.io/rxjs-book/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://soufatn.gitbook.io/rxjs-book/summary/observable/observable_instance_methods/onerrorresumenext.md).

# onErrorResumeNext

Continues an observable sequence that is terminated normally or by an exception with the next observable sequence or Promise.

## Arguments

1. `second` *(`Observable` | `Promise`)*:  Second observable sequence used to produce results after the first sequence terminates.

## Returns

*(`Observable`)*: An observable sequence that concatenates the first and second sequence, even if the first sequence terminates exceptionally.

## Example