https://repost.aws/questions/QUmwdRgYbVQQ2vjHAhQTsyww/rcs-testing-invalid-parameter-error-for-originationidentity-in-eu-central-1
RCS Testing: INVALID_PARAMETER error for originationIdentity in eu-central-1 | AWS re:Post
## Issue Summary I'm getting an INVALID_PARAMETER error when trying to send RCS test messages in eu-central-1. ## Question What could be causing the...