Cannot obtain needed object a19b41d9130c3394596eb380ab7b07451e394af4
error: Fetch failed.
Permission denied (publickey).
fatal: The remote end hung up unexpectedly
Permission denied (publickey).
Permission denied (publickey).
Permission denied (publickey).
fatal: The remote end hung up unexpectedly
fatal: The remote end hung up unexpectedly
Permission denied (publickey).
fatal: The remote end hung up unexpectedly
Permission denied (publickey).
fatal: The remote end hung up unexpectedly
Permission denied (publickey).
fatal: The remote end hung up unexpectedly
Cannot obtain needed object a19b41d9130c3394596eb380ab7b07451e394af4
error: Fetch failed.
error: Cannot fetch bL_tests/task-placement-tests
Permission denied (publickey).
Permission denied (publickey).
fatal: The remote end hung up unexpectedly
error: Cannot fetch bL_tests/sched_tests
error: Cannot fetch bL_tests/bL_iks_tests
error: Cannot fetch platform/build
Permission denied (publickey).
fatal: The remote end hung up unexpectedly
error: Cannot fetch tools
error: Exited sync due to fetch errors
I have been able to build AOSP 4.2.2.
Kindly help in resolving the issue.