Emerge Error !!

[funkey_flier]

On using emerge -Upv world, I'm getting the following error :

>>> --upgradeonly implies --update... adding --update to options.

These are the packages that I would merge, in order:

Calculating world dependencies /Traceback (most recent call last):
File "/usr/bin/emerge", line 2517, in ?
if not mydepgraph.xcreate(myaction):
File "/usr/bin/emerge", line 1109, in xcreate
myeb=portage.portdb.xmatch("bestmatch-visible",mydep)
File "/usr/lib/portage/pym/portage.py", line 4690, in xmatch
myval=best(self.xmatch("match-visible",None,mydep,mykey))
File "/usr/lib/portage/pym/portage.py", line 4701, in xmatch
myval=match_from_list(mydep,self.xmatch("list-visible",None,mydep,mykey))
File "/usr/lib/portage/pym/portage.py", line 4687, in xmatch
myval=self.gvisible(self.visible(self.cp_list(mykey)))
File "/usr/lib/portage/pym/portage.py", line 4782, in gvisible
myaux=db["/"]["porttree"].dbapi.aux_get(mycpv, ["KEYWORDS"])
File "/usr/lib/portage/pym/portage.py", line 4535, in aux_get
if doregen or not self.eclassdb.is_current(cat,pkg,self.auxdb[cat][pkg]["INHERITED"].split()):
File "/usr/lib/portage/pym/portage.py", line 4380, in is_current
self.setup_package(cat, pkg)
File "/usr/lib/portage/pym/portage.py", line 4357, in setup_package
self.packages[cat] = self.dbmodule(self.cachedir, cat+"-eclass", [], uid, portage_gid)
File "/usr/lib/portage/pym/portage_db_cpickle.py", line 23, in __init__
self.db = mypickle.load()
EOFError


Regards,
Gaurav

[Earthwings]

https://forums.gentoo.org/viewtopic.php?t=141424
See Genone's comment

[Deathwing00]

Dup. Thanks Earthwings.