An error occurred (IllegalLocationConstraintException) when attempting to run 's3 mb' command

Question

I'm new to using AWS & I'm running into a very persistent error.

make_bucket failed: s3://bucket-name An error occurred (IllegalLocationConstraintException) when calling the CreateBucket operation: The unspecified location constraint is incompatible for the region specific endpoint this request was sent to.

I honestly have no idea why this error pops up. I have given my EC2 instance full access to S3, so I should have the permission to create new buckets in S3.

I ran the command:

aws s3 mb s3://bucket-name

and I kept on running it and getting this same error.

I tried to run this command instead:

aws s3 mb s3://bucket-name --region us-east-1

and I STILL kept on getting this error.

I'm stuck here and I'd appreciate any assistance I can get :)

Answer 1

Edit: It was the bucket name. Apparently it has to be unique in the sense that no other bucket can exist with the same name.