I just downloaded and installed <kuid2:128368:600078:2> 60ft Gondola CP 346231 from the DLS. No errors and warnings. CM shows no missing or unknown assets.
It has 28 dependencies
<kuid2:58223:41253:1> Concrete Pillars 02 Long Stock Product
<kuid2:32246:60005:2> Transformer
<kuid2:72730:61029:3> Aluminium-Coils 2m x 1,5m
<kuid2:57344:10002:3> Stack of Logs 4m
<kuid2:38793:900002:4> round stock
<kuid2:121711:60802:2> Galvanized steel coil
<kuid:-25:42> default wagon
<kuid2:58223:41243:1> Copper Tubes Group 01 Product
<kuid2:45324:50203:9> S-2 Truck 100 ton 263,000 lbs 6.5in × 12in 36in wheels
<kuid:-25:1187> General Goods
<kuid2:58223:41244:1> Copper Tubes Group 02 Product
<kuid:-25:988> Lumber
<kuid2:57344:10003:3> Stack of Logs 8m
<kuid2:121711:60801:2> Steel coil
<kuid2:44988:80090:6> Steel Coil 1.5x1m
<kuid2:30671:97209133:3> Steelcoil 1x1m
<kuid2:30671:97209132:6> Steelcoil 1x2m
<kuid2:30671:97209131:3> Steelcoil 2x2m
<kuid2:72730:61012:1> 3 Stahlrohre 1,2m; 16 m
<kuid2:92263:61102:1> BDA Wagonload - Aluminium Ingots
<kuid2:124017:27005:1> Copper Rod, 1/2 inch diameter, C10100
<kuid2:124017:27004:1> Copper Rod, 5/16 inch diameter, C10100
<kuid:58223:41224> Limestone Plates Product
<kuid2:63971:80003:1> steel pipe (load)
<kuid2:30671:97209136:2> Steelcoil 2x2.4 m
<kuid:92263:62001> TYind Steel Strip Coil 1m x 1.5m dia
<kuid:92263:62002> TYind Steel Strip Coil 1m x 2m dia
<kuid:206307:100381> YZ 50ft Pipe Stack (Load)
All of then either built-in or installed from the DLS.
<kuid2:69871:2233:1> LARS IndustRail v4 is built-in and, likewise, shows no errors or missing assets. It has 81 dependencies, all of them built-in
<kuid2:72730:61015:1> 5 Stahlrohre 75cm, 12 m
<kuid2:58422:9730001:8> 9ft.per-cast concert pipe
<kuid2:86661:9440304:2> 16ft logset
<kuid2:86661:9440307:2> 16ft logstack
<kuid2:30671:9870899:3> General Autoparts
<kuid2:30671:98906006:2> 20ft tankcontainer, empty
<kuid:524343:6606> RU - BTR70 Product
<kuid2:42796:29070:2> Automobile Mercedes Benz
<kuid2:97008:48142:2> 20ft Container Steel Coil 2 product
<kuid2:427808:10142:3> Steel products Pierreren 2
<kuid:-3:10014> 20ft Container
<kuid2:30671:94407100:3> Lumber 8ft
<kuid:-3:10044> Liquid Load
<kuid2:177548:115004:1> Load Weldment 1a undercoat
<kuid2:49267:35004:3> 20ft Containers
<kuid2:30671:98906005:2> 20ft tankcontainer, loaded
<kuid2:86661:9440302:2> 32ft logset
<kuid2:81150:46:4> Scrap Metal
<kuid2:30671:9870190:3> John_Deere_Tractor
<kuid2:86661:9440305:2> 32ft logstack
<kuid:-3:10041> 40ft Container
<kuid2:30671:94407101:3> Lumber 16ft
<kuid2:49267:35005:3> 40ft Containers
<kuid2:86661:9440303:2> 40ft logset
<kuid:-25:242> arrow
<kuid2:86661:9440306:3> 40ft logstack
<kuid2:58422:9730000:5> 42in cast iron pipe 50ft long
<kuid:524343:6608> RU - T34-85 Product
<kuid2:44988:80016:4> C-Beams (load)
<kuid2:44988:80015:4> Aluminium Ingot
<kuid2:68213:60024:1> Loader Volvo L180C
<kuid2:81150:312:2> Aluminium Sheets
<kuid:-3:10040> Bulk Load
<kuid2:30671:98702901:3> Automobile (invisible)
<kuid2:68213:60036:1> Roller Sakai SV-510D
<kuid2:42796:29060:2> Automobile Chrysler
<kuid2:30671:9320820:3> Paint (tank load)
<kuid2:30671:9840820:3> Automobile engine
<kuid:-25:1357> Logs
<kuid:524343:6285> Buldozer iv
<kuid2:56063:700001:3> Caterpillar 345D Product
<kuid:524343:6738> Caterpillar Scraper Cat Product
<kuid2:72730:61101:6> Panzer VI Tiger
<kuid2:44179:60013:4> Coal
<kuid2:30671:94407102:3> Railroad ties
<kuid:-25:1150> Container
<kuid2:38793:900004:4> flat stock
<kuid2:121711:60802:2> Galvanized steel coil
<kuid2:121711:60901:2> Paper roll (vertical)
<kuid2:38793:900005:4> I beams
<kuid2:72730:61016:1> I-Traeger 60 cm, 12 m
<kuid2:56063:700026:3> John Deere Tractor X Product
<kuid2:44988:80090:6> Steel Coil 1.5x1m
<kuid2:72730:61018:4> Kabelrolle quer 2m Durchm
<kuid2:30671:9720410:2> Scrap metal
<kuid2:96314:8000:3> Tankcontainers
<kuid2:177548:115008:2> Load Weldment 2 undercoat
<kuid2:124017:27013:2> Plate Girder - 60' x 6' (product)
<kuid2:81150:133:3> Mobil Oil Drums
<kuid2:98966:62346:2> Plastic Pipe Load
<kuid2:44988:80011:1> Rails, New, 3 Pack
<kuid2:44988:80012:3> Rails, Old, Rusty
<kuid2:38793:900002:4> round stock
<kuid2:57344:10003:3> Stack of Logs 8m
<kuid2:121711:60801:2> Steel coil
<kuid2:61599:60006:5> Steel rods 10m
<kuid2:32246:60005:2> Transformer
<kuid2:61599:60005:4> Steel rods 12m
<kuid2:124017:27001:4> Steel Slab, Hot
<kuid:-25:1062> TANE 1Trk Wood
<kuid2:30671:9401110:1> Tire
<kuid2:68213:60008:1> Tractor Farmall
<kuid2:42796:29010:1> Tractor Massey-Ferguson
<kuid2:68213:60009:1> Trailer Fruehauf 01
<kuid2:46162:60007:10> Trailers HP
<kuid2:68213:60023:1> Truck Volvo A25D 01
<kuid2:92263:61501:2> TYind Y25C Fabricated Bogie
<kuid2:30671:94407103:3> Untreated railroad ties
<kuid2:61599:60002:3> wire coil
<kuid:206307:100095> YZ 72x48 in. Cast Concrete Pipe (Load)
<kuid2:206307:100091:2> YZ 72x96 in. Cast Concrete Pipe (Load)