Screenshot:

Note no slider bar to advance Tech Tree.
Mods Active:
Colonies! v5
CSD v36
CivUP 2.5.2
GEM 1.13.4
Infoaddict 19
Ingame Editor 36
PerfectWorld 3 v4
RED v25
Tectonics v3
Whoward69 mods active:
Buildings - Lighthouse Near Sea v2
Buildings - Textile Mill v3
DLL Various Mod Components (GK) v12
Global - Barbarian XP Level 6
Gloabl - City State Gifts v1
Global - Commanders Influence Borders v1
Global - Counter Espionage v3
Global - Enable Magellan v4
Global - Goody Huts No Maps v2
Global - Goody Huts Tech Refund v2
Improvements - Airfield v2
Improvements - Farm Replacement v1
Natural Wonders - FountainHealingAdjacent v2
Promotions - Siege Get Indirect Fire v2
Promotions - Crossovers v5
Promotions - Extra Cargo v4
Promotions - Heli AirRecon v5
Promotions - Siege Defensive Terrain v2
Promotions - Terrain Crossing v1
Tech - Satellites Reveal Cities v7
UI - Air Status
UI - City Production Queue Enhanced (GK) v2
UI - Condensed Promotions (GK) v5
UI - Notification Options (GK) v5
UI - Promotion Tree v10
UI - Trade Opportunities v21
Units - Galleon (GK) v3
Units - Herdsman v8
Units - Mounted Units v9
Units - Naval Changes - Early (GK) v4
Units - Naval Changes - Late (GK) v3
Units - Paratroop Enhancements v1
Units - Rangers v7
Units - Sub Upgrades v4
Units - Subs Ignore Borders v3
Units - Super Carrier v6
So. Long list of mods, but I'm having a hell of a time figuring out which could be the one causing the tech tree problem. Any suggestions?

Note no slider bar to advance Tech Tree.
Mods Active:
Colonies! v5
CSD v36
CivUP 2.5.2
GEM 1.13.4
Infoaddict 19
Ingame Editor 36
PerfectWorld 3 v4
RED v25
Tectonics v3
Whoward69 mods active:
Buildings - Lighthouse Near Sea v2
Buildings - Textile Mill v3
DLL Various Mod Components (GK) v12
Global - Barbarian XP Level 6
Gloabl - City State Gifts v1
Global - Commanders Influence Borders v1
Global - Counter Espionage v3
Global - Enable Magellan v4
Global - Goody Huts No Maps v2
Global - Goody Huts Tech Refund v2
Improvements - Airfield v2
Improvements - Farm Replacement v1
Natural Wonders - FountainHealingAdjacent v2
Promotions - Siege Get Indirect Fire v2
Promotions - Crossovers v5
Promotions - Extra Cargo v4
Promotions - Heli AirRecon v5
Promotions - Siege Defensive Terrain v2
Promotions - Terrain Crossing v1
Tech - Satellites Reveal Cities v7
UI - Air Status
UI - City Production Queue Enhanced (GK) v2
UI - Condensed Promotions (GK) v5
UI - Notification Options (GK) v5
UI - Promotion Tree v10
UI - Trade Opportunities v21
Units - Galleon (GK) v3
Units - Herdsman v8
Units - Mounted Units v9
Units - Naval Changes - Early (GK) v4
Units - Naval Changes - Late (GK) v3
Units - Paratroop Enhancements v1
Units - Rangers v7
Units - Sub Upgrades v4
Units - Subs Ignore Borders v3
Units - Super Carrier v6
So. Long list of mods, but I'm having a hell of a time figuring out which could be the one causing the tech tree problem. Any suggestions?