An Alexa Skill Builder wants to add a short audio clip to a skill with SSML. The Builder records a 6-second audio clip using a high-end microphone and recording application and exports the file with…

An Alexa Skill Builder wants to add a short audio clip to a skill with SSML. The Builder records a 6-second audio clip using a high-end microphone and recording application and exports the file with a bitrate of 48 kbps. The file is then uploaded to a public Amazon S3 bucket. The Builder then updates the SSML to return:

When testing the skill, Amazon Alexa responds with “There was a problem with the requested skill’s response” every time. How should the Builder resolve this error?