wesnoth failed on x86_64 dockyard-devel (c64.arklinux.org)

wesnoth failed to build on x86_64 for dockyard-devel.
Last 250 lines of build log:

Installing wesnoth-1.3.8-1ark.src.rpm
Building target platforms: x86_64
Building for target x86_64
Executing(%prep): /bin/sh -e /var/tmp/rpm-tmp.77720
+ umask 022
+ cd /build-wesnoth-x86_64/BUILD
+ cd /build-wesnoth-x86_64/BUILD
+ rm -rf wesnoth-1.3.8
+ tar -xf /usr/src/ark/SOURCES/wesnoth-1.3.8.tar.lz
lzmash: lzma returned exit status 127. If problem repeats try -vv.
tar: Child returned status 1
tar: Error exit delayed from previous errors
error: Bad exit status from /var/tmp/rpm-tmp.77720 (%prep)


RPM build errors:
    Bad exit status from /var/tmp/rpm-tmp.77720 (%prep)