Building LK + HLOS

Hi everyone!!
Im currently following this doc: Qualcomm® SnapdragonTM 410E (APQ8016E) r1034.2.1 Linux Embedded Software Release Notes.
To download the sources files:
repo init -u git:// -b IMM.LE.1.0 -m IMM.LE.1.0-33400-8x16.0.xml --repo-url=git:// --repo-branch=caf-stable
But some things wrong:
repo: error: unable to resolve “caf-stable”
Traceback (most recent call last):
File “/home/metranstaff/apps_proc/.repo/repo/”, line 628, in
File “/home/metranstaff/apps_proc/.repo/repo/”, line 602, in _Main
result = run()
File “/home/metranstaff/apps_proc/.repo/repo/”, line 595, in
run = lambda: repo._Run(name, gopts, argv) or 0
File “/home/metranstaff/apps_proc/.repo/repo/”, line 264, in _Run
result = cmd.Execute(copts, cargs)
File “/home/metranstaff/apps_proc/.repo/repo/subcmds/”, line 516, in Execute
remote_ref, rev = wrapper.check_repo_rev(
File “/home/metranstaff/apps_proc/.repo/repo/repo”, line 485, in check_repo_rev
remote_ref, local_rev = resolve_repo_rev(dst, rev)
File “/home/metranstaff/apps_proc/.repo/repo/repo”, line 922, in resolve_repo_rev
raise CloneFailure()
Please help me !! Thank you