I'm experiencing a CTD on starting a new game on my BGT installation after installing DR, perhaps the same issue Szabtom and Bulldog5769 are having? Without DR, it works fine. I have several mods installed, including ToBex, UB, Quest Pack, Infinity Animations, IWDification and others. A save game at the start of Chateau Irenicus also crashes in the same way.
The ToBex log gives me this error upon the crash:
[sun 23 Nov 2014 01:55:50] ASSERTION FAILED! Return Address: 0x8BAA85 File: ObjCreature.cpp Line: 12244 Expression: tempKnownSpell->m_spellLevel >= 0 && tempKnownSpell->m_spellLevel < MAX_SPELL_LEVELS_INNATE Message: (null) -----TobEx: Throne of Bhaal Extender build 0.26.3.25 (Sun 23 Nov 2014 01:57:25)
Upon further testing, the problem seems to be in the Sphere system component; without it I can start new games just fine even if all other kits and revisions from DR are installed. From the error message, my guess is that the sphere system corrupts the spell lists in creature files. This is confirmed by DLTCEP, which can no longer read jaheir7.cre after the sphere component is installed, which would also explain the crash I experienced at Chateau Irenicus since Jaheira is in that room.