Default [Q] problem while syncing cm11.0

Code:
Fetching project CyanogenMod/android_external_esd Fetching projects: 98% (436/444) 
Fetching project CyanogenMod/android_external_bouncycastle 
Fetching project CyanogenMod/android_external_embunit 
Fetching project CyanogenMod/android_packages_providers_ApplicationsProvider 
Fetching project CyanogenMod/android_external_zxing Fetching projects: 99% (440/444) 
Fetching project CyanogenMod/android_external_safe-iop Fetching projects: 100% (444/444), done.
Syncing work tree: 12% (54/444) fatal: This operation must be run in a work tree 
Syncing work tree: 100% (444/444), done.

error: external/chromium_org/third_party/angle_dx11/: platform/external/chromium_org/third_party/angle_dx11 checkout 6cbe8582436925dcc89fbbf6d43d16d57ff6cfab
I do not know what happens. Who can help? Thanks!!