Running "exec:linux64" (exec) task failed

[butterproject]

Running "exec:linux64" (exec) task failed

/bin/sh: 1: build/Butter/linux64/Butter: Permission denied

Try running it with sudo (or as root).

[xaiki]

you may have run it as root, try removing everything and cloning all as user.

[nhducit]

this is output when running "sudo grunt start"

sudo grunt start
[sudo] password for duc: 
Running "start" task

Running "exec:linux64" (exec) task
>> /bin/sh: 1: build/Butter/linux64/Butter: Permission denied
>> Exited with code: 126.
Warning: Task "exec:linux64" failed. Use --force to continue.

Aborted due to warnings.

[szymanskip]

I believe the problem is with shell:setexectuable task.
I'll try to make PR to fix that.