Error while installing.

[Tikam02]

:~/ML/crnn$ ./install_all.sh

This script will install fblualib and all its dependencies. It has been tested on Ubuntu 13.10 and Ubuntu 14.04, Linux x86_64.

++ arch

• [[ x86_64 != \x\8\6_\6\4 ]] ++ cat /etc/issue
• issue='Ubuntu 18.04 LTS \n \l'
• extra_packages=
• current=0
• [[ Ubuntu 18.04 LTS \n \l =~ ^Ubuntu 13.10 ]]
• [[ Ubuntu 18.04 LTS \n \l =~ ^Ubuntu 14 ]]
• [[ Ubuntu 18.04 LTS \n \l =~ ^Ubuntu 15.04 ]]
• [[ Ubuntu 18.04 LTS \n \l =~ ^Ubuntu 16.04 ]]
• echo 'Ubuntu 13.10, 14., 15.04 or 16.04 required' Ubuntu 13.10, 14., 15.04 or 16.04 required
• exit 1