The line says in function.php line 74

wp_register_script ( ‘gigla-custom’, ‘http://gigla.se/wp-content/themes/enfold-child/js/gigla-custom.js’, array(‘jquery’), $vn, true );

<?php
/* Child theme specific functions */
/* Added by Maria */

/* PT Sans: already in theme; 400/regular, 700/bold + italic */
/* LOAD the following extra fonts:
PT Sans Narrow: 400/regular, 700/bold
PT Sans Caption: 400/regular. Not added: 700/bold.
NOTE: Caption will only be used in explanation or image text,
so it doesn’t need to be added to the styling panel.
PT Serif: 400/regular, 700/bold. There are also italic normal, italic bold
Serif can be used as paragraph font instead of sans */
function theme_enqueue_styles() {
wp_enqueue_style( ‘parent-style’, get_template_directory_uri() . ‘/style.css’ );
wp_enqueue_style( ‘chld_thm_cfg_ext1’, ‘https://fonts.googleapis.com/css?family=PT+Sans+Narrow:400,700&#8217; );
wp_enqueue_style( ‘chld_thm_cfg_ext2’, ‘https://fonts.googleapis.com/css?family=PT+Sans+Caption&display=swap&#8217; );
wp_enqueue_style( ‘chld_thm_cfg_ext3’, ‘https://fonts.googleapis.com/css?family=PT+Serif:400,700&#8217; );
}
add_action( ‘wp_enqueue_scripts’, ‘theme_enqueue_styles’ );
/* add Narrow to the styling panel – heading fonts */
add_filter( ‘avf_google_heading_font’, ‘avia_add_heading_font’);
function avia_add_heading_font($fonts)
{
$fonts[‘PT Sans Narrow’] = ‘PT Sans Narrow’;
return $fonts;
}
/* add Serif to the styling panel – content fonts */
add_filter( ‘avf_google_content_font’, ‘avia_add_content_font’);
function avia_add_content_font($fonts)
{
$fonts[‘PT Serif’] = ‘PT Serif’;
return $fonts;
}

/* enable svg upload – use this only temporary, turn off after uploading */ /*
function cc_mime_types($mimes) {
$mimes[‘svg’] = ‘image/svg+xml’;
return $mimes;
}
add_filter(‘upload_mimes’, ‘cc_mime_types’);
*/

/* set to debug, useful to see shortcodes – use this only temporary */ /*
add_action(‘avia_builder_mode’, “builder_set_debug”);
function builder_set_debug()
{
return “debug”;
}
*/

/* Remove title pop-ups from links and images */
function add_custom_tooltip(){
?>
<script>
jQuery(window).load(function(){
jQuery(‘a’).removeAttr(‘title’);
jQuery(‘img’).removeAttr(‘title’);
});
</script>
<?php
}
add_action(‘wp_footer’, ‘add_custom_tooltip’);

/* Register a custom jquery file */
wp_register_script ( ‘gigla-custom’, ‘http://gigla.se/wp-content/themes/enfold-child/js/gigla-custom.js&#8217;, array(‘jquery’), $vn, true );
wp_enqueue_script ( ‘gigla-custom’ );

How do I check this? Where, in what file is the line 74 and what should it say?

To me it just a big questionmark as I do not know code.

I have now changed it back to 7,4 as I need to have the site online.
Thanks, Marvin