An unexpected error occurred.

TypeError: Cannot read properties of undefined (reading 'add')
    at Z.init (https://writepaper.com.tw/assets/index.esm-CElWzwi1.js:1:11835)
    at Z.render (https://writepaper.com.tw/assets/index.esm-CElWzwi1.js:1:11884)
    at Iy (https://writepaper.com.tw/assets/index-fM54h2zO.js:49:74976)
    at qy (https://writepaper.com.tw/assets/index-fM54h2zO.js:49:81436)
    at b0 (https://writepaper.com.tw/assets/index-fM54h2zO.js:49:117155)
    at M_ (https://writepaper.com.tw/assets/index-fM54h2zO.js:49:116201)
    at Em (https://writepaper.com.tw/assets/index-fM54h2zO.js:49:116033)
    at h0 (https://writepaper.com.tw/assets/index-fM54h2zO.js:49:112818)
    at D0 (https://writepaper.com.tw/assets/index-fM54h2zO.js:49:124639)
    at MessagePort.ne (https://writepaper.com.tw/assets/index-fM54h2zO.js:26:1583)