An unexpected error occurred.

TypeError: Cannot read properties of undefined (reading 'add')
    at Z.init (https://writepaper.com.tw/assets/index.esm-dItQgHbJ.js:1:11835)
    at Z.render (https://writepaper.com.tw/assets/index.esm-dItQgHbJ.js:1:11884)
    at _y (https://writepaper.com.tw/assets/index-DZ9wWYQb.js:49:74976)
    at Py (https://writepaper.com.tw/assets/index-DZ9wWYQb.js:49:81436)
    at u0 (https://writepaper.com.tw/assets/index-DZ9wWYQb.js:49:117155)
    at iC (https://writepaper.com.tw/assets/index-DZ9wWYQb.js:49:116201)
    at ym (https://writepaper.com.tw/assets/index-DZ9wWYQb.js:49:116033)
    at a0 (https://writepaper.com.tw/assets/index-DZ9wWYQb.js:49:112818)
    at j0 (https://writepaper.com.tw/assets/index-DZ9wWYQb.js:49:124639)
    at MessagePort.se (https://writepaper.com.tw/assets/index-DZ9wWYQb.js:26:1583)