I just tried to reproduce the issue but I didn't receive that error message when running the scan in a fresh instance
Did you create those files somehow? We have a Support Tool that will gather relevant information for us to debug the issue. Could you please download and execute it on the machine where the stack is running by following the steps described in the guide below?
How to Run the Bitnami Support Tool
Please note that you need to paste the code outputted by the tool in your reply.