The error message you provided is too general and does not reveal the reason for the behavior your are experiencing.
It seems you have something dynamic in your frame that changes with each execution and it prevents from proper completion of the test. Can you remove everything from the frame info except the Index and shorten the URL to https://vabeta.konnexme.com
. Please refer to the screenshot example (note the index on your end might be different than 1) and give it a try.
More about handling frames you can learn from this article
If this does not help you will have to provide your test or project so we can investigate further.