'missing destination file operand' error while attempting 'stack exec install ...' -


i attempting install hackage's servant-auth-server package using stack exec install servant-auth-server, has worked me other packages.

however, servant-auth-server error.

$ stack exec install servant-auth-server /run/current-system/sw/bin/install: missing destination file operand after 'servant-auth-server' try '/run/current-system/sw/bin/install --help' more information.

what cause of error?

how can install servant-auth-server?

edit

running command $ stack install servant-auth-server not work shown below.

$ stack install servant-auth-server  error: while constructing build plan, following exceptions encountered:  in dependencies servant-auth-server-0.3.0.0:     servant-auth must match ==0.2.*, stack configuration has no specified version (latest applicable 0.2.7.0)  recommended action: try adding following extra-deps in /home/matthew/.stack/global-project/stack.yaml: - servant-auth-0.2.7.0  may want try 'stack solver' command plan construction failed.

the command ought stack install servant-auth-server


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