Handbrake-web working for anyone?

The worker node seems to have a problem:

Error: EACCES: permission denied, mkdir '/data/log'
    at Object.mkdirSync (node:fs:1360:26)
    at File._createLogDirIfNotExist (/handbrake-web/worker/node_modules/winston/lib/winston/transports/file.js:759:10)
    at new File (/handbrake-web/worker/node_modules/winston/lib/winston/transports/file.js:94:28)
    at createJobLogger (/handbrake-web/worker/src/scripts/logging.ts:133:4)
    at StartTranscode (/handbrake-web/worker/src/scripts/transcode.ts:64:21) {
  errno: -13,
  code: 'EACCES',
  syscall: 'mkdir',
  path: '/data/log'
}

When I go into the container as root, I am also unable to run “mkdir /data/log”.