Fixed: Replaced PLUGIN_NAME_SLUG with PLUGIN_NAME_PAGE

wordpress-plugin-boilerplate/includes/admin/views/html-admin-page.php

@@ -34,7 +34,7 @@
 
 			foreach ( $links as $link => $name ) {
 				$i ++;
-				?><li><a class="<?php if ( $view == $link ) { echo 'current'; } ?>" href="<?php echo admin_url( 'admin.php?page=' . PLUGIN_NAME_SLUG . '&view=' . esc_attr( $link ) ); ?>"><?php echo $name; ?></a><?php if ( $i != sizeof( $links ) ) { echo '|'; } ?></li><?php
+				?><li><a class="<?php if ( $view == $link ) { echo 'current'; } ?>" href="<?php echo admin_url( 'admin.php?page=' . PLUGIN_NAME_PAGE . '&view=' . esc_attr( $link ) ); ?>"><?php echo $name; ?></a><?php if ( $i != sizeof( $links ) ) { echo '|'; } ?></li><?php
 			}
 		?>
 	</ul>