调用未定义的函数iconv（）

I am having this error [ "Call To undefined Function iconv()" ] after activating TagDiv Composer in Newspaper Theme. Already Added PHP Extension inconv() for the latest version.

I have tried resolving it through installing PHP Extension for inconv(). Currently, my site is on Digital Ocean Server. TagDiv composer is creating an issue while installing it on server. As well know TagDiv Composer is a must have for Newspaper theme.

"Call To undefined Function iconv()"

"Call To undefined Function iconv()"