$schemamarkup = get_post_meta(get_the_ID(), 'schemamarkup', true); if(!empty($schemamarkup)) { echo $schemamarkup; }

How to Install Libtiff4 & Libtiff4-dev on Ubuntu 18.04 Bionic GNU+Linux Easy Guide

October 10, 2018 | By the+gnu+linux+evangelist.

libtiff4 Ubuntu 18.04 Installation Guide

The Linux Ubuntu tutorial shows you step-by-step How to Install libtiff4 and libtiff4-dev Packages on Ubuntu 18.04 Bionic LTS GNU/Linux – Step by step Tutorial.

Especially relevant: you should try first to Setup the available libtiff5 Library and see if it Fix your issue.

And libtiff4 for Ubuntu Bionic is the Tag Image File Format (TIFF) library.

install libtiff4 on ubuntu 18.04 Bionic - Featured
  1. 1. Launching Terminal

    Open a Shell session
    Ctrl+Alt+t on desktop
    (Press “Enter” to Execute Commands)

    install libtiff4 on ubuntu 18.04 Bionic - Open Terminal

    In case first see: Terminal QuickStart Guide.