It may no longer be relevant since it successfully updated to 9.0.13.
Seems to be related to an early version of CCAI. I've since updated it.
box:tasks updating task 22301 with: {"percent":72.23846153846154,"message":"Snapshotting app ccai.toldyouso.com"}
Nov 25 21:14:20 box:backuptask fullBackup: app ccai.toldyouso.com backup finished. Took 0.003 seconds
Nov 25 21:14:20 box:locks write: current locks: {"box_update_task":null}
Nov 25 21:14:20 box:locks release: app_backup_ef83ce0c-414b-49f1-969f-ecd520962d56
Nov 25 21:14:20 box:tasks setCompleted - 22301: {"result":null,"error":{"message":"Error creating config.json: ENOENT: no such file or directory, open '/home/yellowtent/appsdata/ef83ce0c-414b-49f1-969f-ecd520962d56/config.json'","reason":"FileSystem Error"},"percent":100}
Nov 25 21:14:20 box:tasks updating task 22301 with: {"completed":true,"result":null,"error":{"message":"Error creating config.json: ENOENT: no such file or directory, open '/home/yellowtent/appsdata/ef83ce0c-414b-49f1-969f-ecd520962d56/config.json'","reason":"FileSystem Error"},"percent":100}
Nov 25 21:14:20 box:taskworker Task took 896.054 seconds
Nov 25 21:14:20 BoxError: Error creating config.json: ENOENT: no such file or directory, open '/home/yellowtent/appsdata/ef83ce0c-414b-49f1-969f-ecd520962d56/config.json'
Nov 25 21:14:20 at Object.writeConfig (/home/yellowtent/box/src/apps.js:3071:15)
Nov 25 21:14:20 at snapshotApp (/home/yellowtent/box/src/backuptask.js:340:16)
Nov 25 21:14:20 at uploadAppSnapshot (/home/yellowtent/box/src/backuptask.js:351:11)
Nov 25 21:14:20 at backupAppWithTag (/home/yellowtent/box/src/backuptask.js:393:32)
Nov 25 21:14:20 at Object.fullBackup (/home/yellowtent/box/src/backuptask.js:569:56)
Nov 25 21:14:20 at process.processTicksAndRejections (node:internal/process/task_queues:105:5)
Nov 25 21:14:20 at async updateBox (/home/yellowtent/box/src/updater.js:183:13)
Nov 25 21:14:20 Exiting with code 0
@girish hope you can make this more resilient