Log: Avoid error if hash has non-existing id.
Log: Avoid error if hash has non-existing id.

The error was only visible in browser console. It wasn't very
informative so better to avoid it altogether. Might be even better to
report it nicely somehow.

robotframework/robotframework,HelioGuilherme66/robotframework,HelioGuilherme66/robotframework,robotframework/robotframework,HelioGuilherme66/robotframework,robotframework/robotframework