I have verified the access key and secret key which are tested to be correct.
I am still receiving the 500 error and unable to connect to my bucket.
i have also tried switching the theme to twenty-twenty to see if there were any theme conflicts but i have the same issue.
my only thought is that i had changed the configuration of the bucket to something not compatible with your plugin.
our original intent was to use wp-engines largefs to offload and serve the files from our s3 bucket. this required us to follow these instructions in order to make our s3 bucket compatible with wpengine.
https://wpengine.com/support/configuring-largefs-store-transfer-unlimited-data
while this did copy all of our files to our s3 bucket, which is convenient since there 66 gigs worth of files, ultimately, this did not work – which led us to purchase the s3 plugin.
can you check the steps in the link i shared to see if that might be causing the issue. if so, i can have my client reset the s3 bucket accordingly.
thanks,