Get the first row from a repeater

file.php

				<?php 

				$rows1 = get_field('galerie_isolation' ); // get all the rows
				$first_row1 = $rows[1]; // get the first row
				$title1=$first_row1['titre_galerie'];
				$first_row_image1 = $first_row1['les_images' ]; // get the sub field value  

				?>
				
				<?php if( have_rows('galerie_isolation') ):

			    while ( have_rows('galerie_isolation') ) : the_row(); ?>
					
					<div class="title_slide">
						<h3><?php echo $title1 ?></h3>
						<div class="nav">
							<span class="ion-arrow-left-c prev-button"></span>
								<span class="ion-arrow-right-c next-button"></span>
						</div>
						
					</div>
			        
			        <div class="main-carousel">

				        <?php $images = wp_get_attachment_image_src( $first_row_image1, 'full' );
						
						 if( $images ): ?> 

					        <?php foreach( $images as $image ): ?>

				        		<img class="" src="<?php echo $image[1]['url']; ?>" alt="<?php echo $image[1]['alt']; ?>" />

				        	<?php endforeach; ?>

				        <?php endif; ?>

				    </div>

			  	<?php endwhile; endif; ?>