lua5.1 is missing

[Interegnum]

lua5.1 replaced by lua-lpeg

After "apt install whiptail...; wget -O /usr/local/bin/kalipi-config; chmod etc.

$>kalipi-config
The following packages are missing: lua5.1
Please install them before continuing, i.e.:

sudo apt install lua5.1

$>sudo apt install lua5.1
Reading package lists... Done
Building dependency tree
Reading state information... Done
E: Unable to locate package lua5.1
E: Couldn't find any package by glob 'lua5.1'
E: Couldn't find any package by regex 'lua5.1'