Change error message - WooCommerce minumum/maximum quantities

woo-min-max-change-error-message.php

<?php

// To change error message:
// The minimum allowed quantity for ABC is 5 (you currently have x in your cart).
add_filter('woo_min_allowed_product_qty_err', 'woo_min_allowed_product_qty_err_message', 10, 4 );
function woo_min_allowed_product_qty_err_message( $err_msg, $_product, $minimum_quantity,  $in_cart ) {

	$err_msg = __( 'Your message here', 'woo_min_max_quantities' );

	return $err_msg;
}


// To change error message:
// The maximum allowed quantity for ABC is 40 (you currently have x in your cart).
add_filter('woo_max_allowed_product_qty_err', 'woo_max_allowed_product_qty_err_message', 10, 4 );
function woo_max_allowed_product_qty_err_message( $err_msg, $_product, $maxumum_quantity,  $in_cart ) {

	$err_msg = __( 'Your message here', 'woo_min_max_quantities' );

	return $err_msg;
}

?>

You need to add this code in your theme functions.php file.