Do you get any error message when running the commands? Can you share the steps you followed? We will try to reproduce this. However, we suggest you ask in the official forums of the application to get more information about how to clear the cache
We have a Support Tool that will gather relevant information for us to analyze your configuration and logs. Could you please 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 ID that is shown at the end.