Mode: Creative, Survival Mode: Singleplayer, Dedicated Server SERVER NAME: n/a SEED-ID: n/a If applicable: MODIFIED PLAYFIELDS: all Reproducibility: always Severity: Major Type: see title Summary: attempting to access advanced constructors give CoQ error Description: attempting to access advanced constructors give CoQ error via 'f' key and Control Panel Steps to Reproduce: attempting to access advanced constructors give CoQ error via 'f' key and Control Panel, this is true in MP Dedi Server, in a single player save, and a fresh single player game. Relevant error in logs seems to be "Exception: Template direct recursion error in PentaxidOre" Error log attached.