[injustice]

#include <amxmodx>
#include <amxmisc>

public plugin_init() 
{
    register_concmd("free_jet", "g_iJet", ADMIN_LEVEL_H, "<target>")
}

public g_iJet(id, level, cid)
{
    if(!cmd_access(id, level, cid, 2))
    {
        console_print(id, "[ZM] Access is denied!")
        return 1
    }
        
    new iTarget[32]
    read_argv(1, iTarget, charsmax(iTarget))
    
    new TargetPlayer = cmd_target(id, iTarget, 2)
    
    if(!TargetPlayer)
    {
        console_print(id, "[ZM] Cannot find that particular name!")
        return 1
    }
    
    if(!is_user_alive(TargetPlayer))
    {
        console_print(id, "[ZM] This command is disabled for dead player!")
        return 1
    }
    
    if(read_argc() != 2)
        return 1
        
    new TargetName[32]
    get_user_name(TargetPlayer, TargetName, charsmax(TargetName))
    
    set_user_jet(TargetPlayer, 1 )
    set_user_fuel(TargetPlayer, 250.0 )
    
    console_print(0, "[ZM] %s has been given free Jet!", TargetName)
    console_print(id, "[ZM] Now, you can fly away!")
    
    return 1
}lo

Problem

http://prntscr.com/6e21t2

[RateX]

It show very clear in the image that's there's no such thing is set_user_jet and set_user_fuel, so obviously it can't compile.

[Obada]

And why are you trying to compile it in .txt extension?

Change it to .sma