Question: how can one download the comments from one post?

[TCH68k]

Neither 9gag 1 output aVvRV6M, nor 9gag 1 output gag/aVvRV6M do not work:

TypeError: Cannot read properties of undefined (reading 'map')
    at Object.readPosts (/opt/node.js/22.17.1/lib/node_modules/9gag/src/mapper.js:37:31)
    at Scraper.scrap (/opt/node.js/22.17.1/lib/node_modules/9gag/src/scraper.js:40:28)
    at process.processTicksAndRejections (node:internal/process/task_queues:105:5)
    at async main (/opt/node.js/22.17.1/lib/node_modules/9gag/src/index.js:19:19)