Unable to install plugins from wp-cli

Caching plugins usually require some additional manual work in moving some files from the plugin directory to the root of the wp-content directory and maybe some wp-config.php changes. It is possible that the plugin fails to initialize due to that.

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)