How did you install that plugin in Magento? Did you use the Magento Dashboard? In that case, you are probably running into a Magento's issue with the plugin so we suggest you open a community ticket in its community platform.
In case you installed the plugin manually, can you run the Bitnami Support tool? We will review the permissions configuration and verify everything is correct
How to Run the Bitnami Support Tool
Please note that you need to paste the code outputted by the tool in your reply.