please help vagrant up is error

[Takasimura]

D:\Vagrant\Projects\VM_169.x>vagrant up
There is a syntax error in the following Vagrantfile. The syntax error
message is reproduced below for convenience:

D:/Vagrant/Projects/VM_169.x/Vagrantfile:78: syntax error, unexpected end-of-inp
ut, expecting keyword_end

D:\Vagrant\Projects\VM_169.x>