Error

Uncaught Error: Call to undefined function messageCode()
in /home/myanmarvoyages-beta/htdocs/beta.myanmarvoyages.com/wp-content/themes/myo_myanmarvoyages/page-error.php on line 25

Call stack:

1. include()
   wp-includes/template-loader.php:106
2. require_once('/home/myanmarvoyages.../template-loader.php')
   wp-blog-header.php:19
3. require('/home/myanmarvoyages...m/wp-blog-header.php')
   index.php:17