File upload to server isn't working

[noizde]

Cannot invoke the action, eventually got an error: MainException: class java.io.IOException(No such file or directory)

...

at controllers.Attachments$$anonfun$add$1$$anonfun$apply$14$$anonfun$apply$15$$anonfun$apply$16$$anonfun$apply$17$$anonfun$apply$18.apply(Attachments.scala:87) ~[recon.recon-1.0-SNAPSHOT.jar:1.0-SNAPSHOT]
at controllers.Attachments$$anonfun$add$1$$anonfun$apply$14$$anonfun$apply$15$$anonfun$apply$16$$anonfun$apply$17$$anonfun$apply$18.apply(Attachments.scala:85) ~[recon.recon-1.0-SNAPSHOT.jar:1.0-SNAPSHOT]

which is upload.ref.moveTo(a.file, true) in Attachments.scala

Looks like it's having a no such file or directory found at the moveTo