Why this error appears stdClass::$pic_item?

I try to do the var_dump, the error remains the same as if nothing happens:


<?php foreach($pic as $pic_item): ?>
<img src="<?php echo base_url('assets1/images/slider/'.$pic->pic_item
);?>">
<?php var_dump($pic_item); ?>
<?php endforeach;?>


A PHP Error was encountered

Severity: Notice

Message: Undefined property: stdClass::$pic_item

Filename: views/index.php

Line Number: 214

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