A file listed in the Manifest could not be found

[ntheo1979]

Archytas /home/nikos # emerge -auDN @world

These are the packages that would be merged, in order:

Calculating dependencies... done!
Dependency resolution took 21.52 s (backtrack: 0/20).

[ebuild     U ~] games-simulation/firestorm-bin-7.1.4_beta_p1 [7.1.4_beta]

Would you like to merge these packages? [Yes/No] 

>>> Verifying ebuild manifests

!!! A file listed in the Manifest could not be found: /var/db/repos/lmiphay/games-simulation/firestorm-bin/firestorm-bin-7.1.3_beta.ebuild