repo sync error 2

Syncing work tree:   8% (31/384)  error: The following untracked working tree files would be overwritten by checkout:
	vendorsetup.sh
Please move or remove them before you can switch branches.
Aborting
Syncing work tree:  10% (39/384)  error: The following untracked working tree files would be overwritten by checkout:
	omni_t0lte.mk
Please move or remove them before you can switch branches.
Aborting
Syncing work tree: 100% (384/384), done.

device/samsung/smdk4412-common/: discarding 11 commits
hardware/samsung/: discarding 4 commits
kernel/samsung/smdk4412/: discarding 2 commits
packages/apps/Phone/: discarding 2 commits
error: device/samsung/l900/: android_device_samsung_l900 checkout 61045513d560fddf1bf8007002b67a8b730f3bb6
error: device/samsung/t0lte/: android_device_samsung_t0lte checkout bcaa22cb7b5c76b8f6c4938e92aa9f55028b112c