By Christopher Alton
How to resolve a Flex Error #1001
The RSL error and Flex error #1001 is an issue with adobe flash player. You will need to redeploy (reinstall) your adobe flash player as it either missing critical libraries or those libraries are corrupted. This is a documented error with Adobe. You can read more about the issue from this link here:
Unfortunately, this is not an issue that is related to Perfecto.
The solution is to reinstall your adobe flash player. If your permissions on your workstation are not high enough to do this, ask your IT team.