[Plugin: Advanced Custom Fields] error the_field()

Dear All

I have some error with plugin ACF, why this happen:

mycode:
“><?php the_field(‘banner_image’); ?>

banner_image can show normaly,,,

but why big_image showing this:
————————————–
200, , ,test,https://example.com/wp-content/uploads/2012/08/test.jpg, Array
—————–

I have using get_field and explode “,”, not working,,,,

please help, thanks

Agok