500 Unexpected token < in JSON at position 0

SyntaxError: Unexpected token < in JSON at position 0
    at JSON.parse ()
    at Response.json (file:///opt/build/repo/node_modules/node-fetch/src/body.js:149:15)
    at processTicksAndRejections (node:internal/process/task_queues:96:5)
    at async file:///opt/build/repo/server/@qwik-city-plan.js:2:1104
    at async d (file:///opt/build/repo/server/assets/index.qwik.1abe0800.js:10:19263)
    at async Promise.all (index 0)
    at async Ml (file:///opt/build/repo/server/assets/index.qwik.1abe0800.js:10:21176)
    at async Au (file:///opt/build/repo/server/assets/index.qwik.1abe0800.js:10:21100)
    at async Re (file:///opt/build/repo/server/entry.ssr.js:247:6342)
    at async file:///opt/build/repo/node_modules/@builder.io/qwik-city/static/node.mjs:979:22