NSE: failed to initialize the script engine

[Paegasus]

I'm getting the following errors when I try to run the script with nmap.

Starting Nmap 7.70 ( https://nmap.org ) at 2019-02-15 22:40 Romance Standard Time
NSE: failed to initialize the script engine:
C:\Users\Vinicius\Desktop\nmap/nse_main.lua:259: C:\Users\LB\Desktop\nmap/scripts\irc-uncloak.nse:159: expected near 'random_nick'
stack traceback:
[C]: in function 'assert'
C:\Users\LB\Desktop\nmap/nse_main.lua:259: in upvalue 'loadscript'
C:\Users\LB\Desktop\nmap/nse_main.lua:601: in field 'new'
C:\Users\LB\Desktop\nmap/nse_main.lua:828: in local 'get_chosen_scripts'
C:\Users\LB\Desktop\nmap/nse_main.lua:1315: in main chunk
[C]: in ?

QUITTING!