Thread Group Element – Action to be taken after a sampler error

This is the very first options of Thread Group element, but not many people pay attention to it. It determines what happens if a sampler error occurs, either because the sample itself failed or an assertion failed. The possible choices are:
Continue (default)- ignore the error and continue with the test and run next sampler.
Start Next Loop – ignore the error, start next loop and continue with the test
Stop Thread – current thread exits
Stop Test – the entire test is stopped at the end of any current samples. It means the pending samplers are still run until done.
Stop Test Now – the entire test is stopped immediately. Any current samplers are interrupted if possible.