Thank you for your help with this, apparently I managed to either mess up my mod install order or am simply trying to install conflicting mods. (BG:EE -SoD)
For instance, in the Prolouge Candlekeep should have the following four encounters if I understand correctly.
A Dirty Guard: Seems to work perfectly.
Hull Heavy Duty: Seems to work perfectly.
The Messager: The priestress doesn't appear to have spawned.
A Childhood Friend: Alec doesn't seem to have spawned.
The Mods that I have installed (and their order are).
Mod Merge (Needed to mod SoD)
BG Mini Quests v10
BG1 Romantic Encounters 1.3
BG1 NPC v22
BG1 NPC Music v6
BG1 Unfinished Biz v14
Chatty Imoen 1.1
Jaheira Recast 1.1 (SoD)
Multikit Builder 0.27.2
Stratagems v30 (hotfixed)
Tweaks Anthology beta 4
Ding0 Experience Fixer v7
In building the mod order I tried to keep to the general rule of;
If it would be helpful I've attached my current WeiDU.log