Cache data object on error

[briangrahamww]

I finally using the section caching feature https://ww-tech.github.io/primrose/README_METADATA.html?highlight=registry and it is super useful for developing. I also think it would help for developing and debugging if we cached the data object when there is an error. We just have to be mindful of the size of the object and the data types, since some TF objects are not serializable and it can take a really long time to serialize larger objects.