Portal Basic issues. I found the problem!

JCitron

Trainzing since 12-2003
Since this issue affect both TRS19 and TRS22 and family, I'm posting this here.

There are two assets named Portal Basic with one by Auran and the other by Blue_Sky_Interactive.

<kuid2:30501:22006:5> Portal Basic ---- Auran
<kuid:151900:100689> Portal Basic ---- Blue_Sky_Interactive

A few service packs ago, an issue came up with the Portal Basic causing the portal to produce zombie trains or randomly derail trains when exiting the portals.

N3V addressed the issue and Portal Basic worked fine, although some users still had what appeared to be intermittent issues with that asset. What appeared to be an intermittent problem puzzled all of us and as usual we gave the usual line of checking junctions, track connections, and distances from them.

What caused the intermittent asset issue is there is the original Auran asset that was repaired and updated and the non-Auran asset by Blue_Sky_Interactive wasn't updated. With the name being the same, it's easy to grab the broken one and not the repaired one.

Portal Basic Short <kuid2:96914:22000:3>is not an N3V asset and this too exhibits the same zombie train and derailment issues that we saw after the service pack.

There are also many other variants of Portal Basic with extra add-ons by various content creators and all have various issues including zombie consists. If you are using portals, use the Auran ones since they are the ones that work.

How I found this out.

I powered up my extensive route recently to do some driving and about 45-minutes into the session, I had messages about consists derailing and SPAD'ing. When I checked, I had AI consists derailing as they exited the portals or careening across the route and slamming into other AI trains derailing those or becoming stuck in stub-end terminals.

When I checked the 6 portals I have on the route, I found that the ones that failed were the non-Auran Portal Basic portals and went through the process of replacing them and repopulating them. After that task, the session ran fine.
 
What is the difference between "Portal" and "Portal Basic"?
Does the problem above also affect "Portal"?
Portal is a generic term for portals. Portal Basic is the asset that we use.

Use <kuid2:30501:22006:5> Portal Basic by Auran.

Turn on Show Kuids in Surveyor option in Trainz under the settings - the 3-bar menu in the upper left corner.
 
I meant the built-in "Portal", <kuid:-25:1264> Portal (build version 4.6).
I created an asset derived from <kuid:-25:1264> Portal. I am wondering if my derived asset has the above problem, or if I should have derived from Portal Basic.
 
"Portal" is the portal with the tunnel, "Portal Basic" is the portal without the tunnel, that is only track.
Regards
Swordfish
I totally forgot about those because I never use them. Whatever I said related to the Portal Basic applies to Portal assets as well.
 
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