[bug] notion-opener is not working

[takoba]

error stack

2022-02-04T11:28:59.210613+00:00 app[web.1]: DEBUG: dump `notion.pages.retrieve()` { page_id: '21721601953e418ba416af7acef45cb9' } {
2022-02-04T11:28:59.210614+00:00 app[web.1]: object: 'page',
2022-02-04T11:28:59.210615+00:00 app[web.1]: id: '21721601-953e-418b-a416-af7acef45cb9',
2022-02-04T11:28:59.210615+00:00 app[web.1]: created_time: '2021-11-18T08:07:00.000Z',
2022-02-04T11:28:59.210615+00:00 app[web.1]: last_edited_time: '2022-02-04T11:07:00.000Z',
2022-02-04T11:28:59.210616+00:00 app[web.1]: cover: null,
2022-02-04T11:28:59.210616+00:00 app[web.1]: icon: {
2022-02-04T11:28:59.210617+00:00 app[web.1]: type: 'external',
2022-02-04T11:28:59.210617+00:00 app[web.1]: external: { url: 'https://img.icons8.com/ios-filled/500/notion.png' }
2022-02-04T11:28:59.210617+00:00 app[web.1]: },
2022-02-04T11:28:59.210618+00:00 app[web.1]: parent: { type: 'workspace', workspace: true },
2022-02-04T11:28:59.210618+00:00 app[web.1]: archived: false,
2022-02-04T11:28:59.210619+00:00 app[web.1]: properties: { title: { id: 'title', type: 'title', title: [Array] } },
2022-02-04T11:28:59.210619+00:00 app[web.1]: url: 'https://www.notion.so/Notion-21721601953e418ba416af7acef45cb9'
2022-02-04T11:28:59.210619+00:00 app[web.1]: }
2022-02-04T11:28:59.210648+00:00 app[web.1]: DEBUG: dump `notion.blocks.retrieve()` { block_id: null } null
2022-02-04T11:28:59.210953+00:00 app[web.1]: [ERROR]  bolt-app UnknownError: (intermediate value)(intermediate value)(intermediate value).find is not a function
2022-02-04T11:28:59.210953+00:00 app[web.1]: at asCodedError (/app/node_modules/@slack/bolt/dist/errors.js:35:12)
2022-02-04T11:28:59.210953+00:00 app[web.1]: at App.handleError (/app/node_modules/@slack/bolt/dist/App.js:618:57)
2022-02-04T11:28:59.210953+00:00 app[web.1]: at App.processEvent (/app/node_modules/@slack/bolt/dist/App.js:603:25)
2022-02-04T11:28:59.210954+00:00 app[web.1]: at processTicksAndRejections (node:internal/process/task_queues:96:5)
2022-02-04T11:28:59.210954+00:00 app[web.1]: at async /app/node_modules/@slack/bolt/dist/receivers/HTTPReceiver.js:395:17 {
2022-02-04T11:28:59.210954+00:00 app[web.1]: code: 'slack_bolt_unknown_error',
2022-02-04T11:28:59.210955+00:00 app[web.1]: original: TypeError: (intermediate value)(intermediate value)(intermediate value).find is not a function
2022-02-04T11:28:59.210955+00:00 app[web.1]: at /app/dist/app.js:49:64
2022-02-04T11:28:59.210955+00:00 app[web.1]: at /app/dist/app.js:57:7
2022-02-04T11:28:59.210955+00:00 app[web.1]: at processTicksAndRejections (node:internal/process/task_queues:96:5)
2022-02-04T11:28:59.210956+00:00 app[web.1]: at async Array.<anonymous> (/app/node_modules/@slack/bolt/dist/middleware/builtin.js:186:9)
2022-02-04T11:28:59.210956+00:00 app[web.1]: at async Array.<anonymous> (/app/node_modules/@slack/bolt/dist/middleware/builtin.js:233:9)
2022-02-04T11:28:59.210956+00:00 app[web.1]: at async Array.onlyEvents (/app/node_modules/@slack/bolt/dist/middleware/builtin.js:63:5)
2022-02-04T11:28:59.210956+00:00 app[web.1]: }
2022-02-04T11:28:59.211055+00:00 app[web.1]: [ERROR]   An unhandled error occurred while Bolt processed an event