Config > Sales > Tax | Sales Email | Shipping method not show in backend, no option can choose.

[chankingpaul]

Config > Sales > Tax | Sales Email | Shipping method not show in backend, no option can choose.

Magento 2.3.4 & Theme Porto

https://ibb.co/mJXqBHr

When I look into the CSS, it displays none. even I display it, it still disable option.

https://ibb.co/wp31Jt1

Please advise, thanks.

[chankingpaul · Accepted solution]

Extension issues.

Fixed by removing an extension.