http://idk.i2p/lb-docs/live-manual/bugs.en.html
This includes (at least) the version of live-build , live-boot , live-config , and live-tools used and the distribution of the live system you are building. 687 14.1 Known issues 688 Since Debian testing and Debian unstable distributions are moving targets, when you specify either of them as the target system distribution, a successful build may not always be possible. 689 If this causes too much difficulty for you, do not build a system based on testing or unstable , but rather, use...