ISerializable type 'Octopus.Shared.Tasks.ActionFailedException' does not have a valid constructor

This crash has constantly happened once a month with the same project which has manual intervention steps. Once the crash happens, I cannot stop or kill the task.

From this previous discussion (, it is indicated that the bug is fixed with Octopus 3.2.11. We are using 3.4.14 and we are still seeing the same issue.


Thank you for getting in touch. We fixed a very similar issue in 3.5.2. Are you able to upgrade to that version (or preferably the latest version)?

Robert W

Hi Robert,

Thanks for your quick response. We are planning to upgrade to the latest
version (3.10.1) later this week.



Hi Richard,

No problem. Let us know if you still see the issue.

Robert W