AOSP help

i am trying to setup aosp in ubuntu 14.04 and i am getting a fatal error when trying to repo sync. any ideas?

fatal: remote error: Service Temporarily Unavailable
remote: Counting objects: 207, done
remote: Finding sources: 100% (506/506)
remote: Total 506 (delta 60), reused 506 (delta 60)
Receiving objects: 100% (506/506), 11.87 MiB | 549.00 KiB/s, done.
Resolving deltas: 100% (60/60), completed with 27 local objects.
fatal: bad object a1d632a7815a0766986c9ff9de501ac1f7afbb7b
error: androidgooglesource/platform/prebuilts/misc[] did not send all necessary objects

error: Cannot fetch platform/prebuilts/misc
warn: --force-broken, continuing to sync
Fetching projects: 100% (455/455)
error: Exited sync due to fetch errors
j@j-G750JW:~/ASDK/workingdir$

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