Unexpected Application Error!

e.map is not a function

TypeError: e.map is not a function
    at KN (https://countries-api-explorer.netlify.app/assets/index-1555dc71.js:1137:10638)
    at $m (https://countries-api-explorer.netlify.app/assets/index-1555dc71.js:38:19529)
    at Kh (https://countries-api-explorer.netlify.app/assets/index-1555dc71.js:40:3139)
    at PS (https://countries-api-explorer.netlify.app/assets/index-1555dc71.js:40:44734)
    at wS (https://countries-api-explorer.netlify.app/assets/index-1555dc71.js:40:39724)
    at N_ (https://countries-api-explorer.netlify.app/assets/index-1555dc71.js:40:39652)
    at bc (https://countries-api-explorer.netlify.app/assets/index-1555dc71.js:40:39506)
    at op (https://countries-api-explorer.netlify.app/assets/index-1555dc71.js:40:35874)
    at bS (https://countries-api-explorer.netlify.app/assets/index-1555dc71.js:40:34825)
    at k (https://countries-api-explorer.netlify.app/assets/index-1555dc71.js:25:1570)