Compile assets

error) : ?>
error ?>
formTag([], ['style' => 'margin-bottom:0px'], function(){ ?>
Or

formTag([], ['style' => 'margin-bottom:0px;'], function(){ ?>
Assets folder File name
config()->assets->prefix . '/' ?> textFieldTag('file', $this->params()->file, ['size' => 40, 'autofocus', 'placeholder' => 'E.g. application.css']) ?>
submitTag('Compile file', ['class' => 'btn btn-primary']) ?>