./scripts/composer_wrapper.php install --no-dev

Please help me with this error.

Error: Missing dependencies! Run the following command to fix:

I’m run the command in the cli but the message say !

You can also run php --ini inside terminal to see which files are used by PHP in CLI mode.

Please help me

Try reading the whole output. You need to install php-mbstring (or php7.0-mbstring) whatever is appropriate for your server.