I'm also crashing at the same points.  My guess is that the AI hits something in the research that is doing something other than what it expects.  Another guess is that the AI wants to build starbases but can't because the player entities don't have one and/or the research doesn't allow them to.

Grrr!  We want to play Babylon 5 in Sins, but the darn AI keeps wanting to play default Sins. 

Update:

EA is now working, didn't like having the JumpgateContructor under NotOnPage in Frigates. I also removed Breaching pod from this section, just to be safe.

Centauri and Narn still don't work. Well, at least progress!

I got EA, Narn, Minbari and Centauri working (problem with Vorlons, but will solve that tomorrow or the day after)

The bug was not roletypes, but that (caused by a bug in my mod database) the starbase construction ships dont like to have no ability. They need at least one starbase construction ability!

I think that was the problem with the Constructor under NotOnPage as well. When I finished getting all the races to work I will give a beta update to Peter1x9 and ZombiesRus5 to look over (if you have time that is)

Happy times ahead!!

Yay!  So I was on the right track with the starbases.  That makes perfect sense with the constructors.  Another bug is slain!

"There, you see! This will teach you to trifle with the mighty Centauri!" - Centauri Vs Insect

Good news, all races working! dev update sent to Peter1x9 and ZombiesRus5

PS.: Yep, we all love the might of the Centauri empire!! What would B5 be without Peter Jurasic and Andreas Katsulas?

That is good news. I was fighting my own insta-minidump in my mod so was able to run anymore of Babylon. But I have to agree, I like the mod very much and look forward to it's initial release.

Hmm, how would you get the Ai to go along with a refuel mechanism? Looking forward to the release, i just watched through all bab5 episodes and although i get mad as hell from some of them, its a great show well worthy of a mod for sins of solar empires.

Yay!

Damn, if only real life work wouldn't be so busy I might have progressed the mod much faster. Then, who's gonna pay the rent

I'm really looking forward to get this release out of the door so I can supply you with new UV's as well as finish some of my models. There are so many of them waiting to be UVed and textured, it's a shame we can't clone ourselves.

Some of the "Politicians" in the show makes me want to vomit. That is a great accomplishment in itself though, every good show need their share of people to hate.

I think I have starbase weapons figured out. 

The short answer:

You have to change things in both the Starbase(race).entity and StarbaseUpgrade(race)Weapons.entity  If you make the first weapon type available to the player at the start, you would then make the second weapon type a prerequisite of the third weapon type in the research, and so on.

The extremely long answer:

With starbases you could do what you want by making each weapon type one of the starbaseweaponupgrade levels and then giving each upgrade level a research prerequisite of that weapon type (whatever weapon that race starts out with would be the first weapon upgrade level).  The only problem is whether or not you force players to research the weapons in the same order as what is in each starbase weapon upgrade level, and what type of weapon they start out with for free (no research needed).  For example, I'll use the default Sins TEC starbase that starts out with lasers, then gets beams in the first weapon upgrade, and missiles in the second weapon upgrade:

StarbaseTech.entity has these constraints for each weapon type listed: 

Weapon 1 (laser) has a fireConstraintType "CanAlwaysFire"  (this is the weapon the starbase starts out with for free)

Weapon 2 (beam) has a fireConstraintType "StarBaseUpgradeLevel" and requiredStarBaseWeaponLevel 1 (first upgrade level adds beams)

Weapon 3 (missile) has a fireConstraintType "StarBaseUpgradeLevel" and requiredStarBaseWeaponLevel 2 (second upgrade level adds missiles)

In StarbaseUpgradeTechWeapons.entity I would then do this to make the player research the weapon first:

stageCount 3

stage 1 (laser):    researchPrerequisites -> NumResearchPrerequisites 0  (starts out with lasers)

stage 2 (beam):   researchPrerequisites->  NumResearchPrerequisites 1        

            ResearchPrerequisite
                         Subject "RESEARCHSUBJECT_(yourbeamweapon)" (Player can't upgrade until they research the beam weapon)
                         Level 1

Stage 3 (missile): researchPrerequisites->  NumResearchPrerequisites 1        

            ResearchPrerequisite
                         Subject "RESEARCHSUBJECT_(yourmissileweapon)" (Player can't upgrade until they research the missile weapon)
                         Level 1

The only downside is if you allow the player to research the other weapons (besides what they start out with) in any order.  In the example I gave, If the player researched the missile tech before the beam tech, they still wouldn't be able to upgrade the starbase weapons since they didn't research the beam weapon yet.  In order to avoid this, you would have to make the beam tech a prerequisite of the missile tech in the research.

If that doesn't help, I'll take a look at things in greater detail and mess around with the starbase weapons when you give me the latest version.

@Peter1x9

Thats exactly what I did (except I didn't add research prerequisites)
Weapon 1 (quad particle array) has firing constraint "canalwaysfire"
Weapon 2 and 3 have the respective starbaseupgrade level requirement
W2 is Missiles, W3 is Heavy Pulse cannon (since we never see lasers on a starbase I'd reserve them for Minbar And Vorlons/shadows)
But only Weapon 1 is ever firing. Well, you'll get a look at it this weekend, perhaps you can figure it out then.

@Davroth
Since I haven't heard from Rodney in quite a while, I will probably get in contact with you concerning "historically" correct research requirement and such if you don't mind (that would be for 0.42)