invalid json response body at https://api.massrelevance.com/4xjzsn5sw7/ucla100-centennial-site.json?tweet_mode=extended reason: Unexpected token < in JSON at position 0

FetchError: invalid json response body at https://api.massrelevance.com/4xjzsn5sw7/ucla100-centennial-site.json?tweet_mode=extended reason: Unexpected token < in JSON at position 0
    at /Users/johnkim/Sites/test/100/ucla-100-celebration/node_modules/cross-fetch/node_modules/node-fetch/lib/index.js:254:32
    at runMicrotasks (<anonymous>)
    at processTicksAndRejections (internal/process/task_queues.js:94:5)