Loop inside Loop doesn't work properly

Hi

I have this loop in side loop:

$sections = CFS()->get( 'extra_sections' );
		/* Section Loop*/
		foreach ( $sections as $section)?>
		<hr class="decorative">
		<?php
		{

		?>
				<div class="about-section about-display">
					<h2><?php echo $section['section_name']?></h2>
					<?php echo $section['section_content'];
					/*Parts of a Section */
					foreach ( $section['section_parts'] as $sectionPart) {
					?>
						<div class="section-part about-display">
							<h3><?php echo $sectionPart['part_name']?></h3>
							<?php echo $sectionPart['part_content'];?>
						</div>
					<?php
					}
					?>
				</div>
		<?php
		}
		?>

It works well when there is one section. However, it doesn’t work when I add multiple sections. Same thing happens if I add multiple section parts.
This is the warning from debug bar: Invalid argument supplied for foreach()
require(‘wp-blog-header.php’), require_once(‘wp-includes/template-loader.php’), include(‘/themes/andresportfolio/about.php’)

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