Meta Box

Thank you so much. This is a great solution.

I'm registering my metaboxes as a plugin. Perhaps this is contributing to the fatal error? Thank you for looking at this.

<?php
/*
Plugin Name: Metabox Instances
Version: 1.0.1
Author: Martin Schapiro

*/

function my_scholarship_styles() {
    $themeVersion = wp_get_theme()->get('Version');

    // Enqueue our style.css with our own version
    wp_enqueue_style('plugin-scholarship-style', plugin_dir_url( __FILE__ ) . '/style.css',
        array(), $themeVersion);
}
// Enqueue this theme's scripts and styles (after parent theme)
add_action('wp_enqueue_scripts', 'my_scholarship_styles', 20);

add_filter( 'rwmb_meta_boxes', 'SCHOLARSHIPPAGE_register_meta_boxes' );
function SCHOLARSHIPPAGE_register_meta_boxes( $meta_boxes ) {
    $prefix = '_rw_';
    // 1st meta box
    $meta_boxes[] = array(
        'id'         => 'scholarships',
        'title'      => __( 'Scholarshop Applicants' ),
        'post_types' => array( 'page' ),
        'context'    => 'normal',
        'priority'   => 'high',
        'include' => array(
        'template' => 'page-scholarshipnew.php',
			),
        'fields' => array(
			array(
				'id'     => 'standard',
				// Gropu field
				'type'   => 'group',
				// Clone whole group?
				'clone'  => true,
				// Drag and drop clones to reorder them?
				'sort_clone' => true,
				// Sub-fields
				'fields' => array(
				array(
					'name'  => __( 'Full name', 'textdomain' ),
					'desc'  => 'Format: First Last',
					'id'    => $prefix . 'fname',
					'type'  => 'text',
					'class' => 'scholarship-name',
					'clone' => false,
				),
				  array(
					'name'  => __( 'Headshot', 'textdomain' ),
					'desc'  => 'Will be cropped square',
					'id'    => $prefix . 'headshot',
					'type'  => 'file_input',
					'class' => 'scholarship-headshot',
					'clone' => false,
				),  
				  array(
					'name'  => __( 'link', 'textdomain' ),
					'desc'  => 'full URL with http://',
					'id'    => $prefix . 'link',
					'type'  => 'text',
					'class' => 'scholarship-link',
					'clone' => false,
				),   
				array(
					'name'  => __( 'Hometown', 'textdomain' ),
					'desc'  => 'eg: Tucson, AZ',
					'id'    => $prefix . 'hometown',
					'type'  => 'text',
					'class' => 'scholarship-town',
					'clone' => false,
				),
			   array(
					'name'  => __( 'Vocal Range', 'textdomain' ),
					'desc'  => 'Alto, Tenor, Soprano, Baritone, Vocal Percussionist, etc.',
					'id'    => $prefix . 'range',
					'type'  => 'text',
					'class' => 'scholarship-range',
					'clone' => false,
				),     
            ),
            ), 
                  
        ),
    );
   
    return $meta_boxes;
}

?>