Thread: createdb fail

i want to createdb but this appear..

 

Warning : could not remove database directory "/var/postgresql/data/base/17147"

Detail: Failing system command was : rm -rf '/var/postgresql/data/base/17147'

Error: could not initialize database directory; delete failed as well

detail : failing system command was : cp -r '/var/postgresql/data/base/1' '/var/postgresql/data/base/17147'

 

what does this mean ?

please