Error about enabling or disabling plugins


ERROR INFO: 请求期间发生错误。 无法继续。

Nextcloud version: 20.0.4
Operating system and version: Ubuntu 20.04 LTS amd64
Apache version: Apache/2.4.41 (Ubuntu)
PHP Version: PHP 7.4.3 (cli) (built: Oct  6 2020 15:47:56) ( NTS )

The trouble is:

error while occourred while I enable/disable plugins.It says “error occurred during the request.Failed to continue.”

Possibly nextcloud.log might yield clues to which plugin cause it and why.