This sounds more like a bug report than a question. Please report it at https://bugs.launchpad.net/heat and be sure to include details like what version of Heat you are running, and preferably a traceback from whichever component (heat-engine or heat-api) that failed.
This sounds more like a bug report than a question. Please report it at https://bugs.launchpad.net/heat and be sure to include details like what version of Heat you are running, and preferably a traceback from whichever component (heat-engine or heat-api) that failed.