Failed to load mods: beltlayer/data-updates.lua:2: beltlayer/prototypes/bpproxies.lua:12: attempt to perform arithmetic on field 'height' (a nil value) stack traceback:
beltlayer/prototypes/bpproxies.lua:12: in function <beltlayer/prototypes/bpproxies.lua:7>
(... tail calls ...)
beltlayer/prototypes/bpproxies.lua:73: in function 'make_transport_belt_proxy'
beltlayer/prototypes/bpproxies.lua:81: in main chunk
[C]: in function 'require'
beltlayer/data-updates:lua:2: in main chunk
stack traceback:
[C]: in function 'require'
beltlayer/data-updates.lua:2: in main chunk

Mods to be disabled * beltlayer(1.0.0)

Modlist:

base
aai-industry
aai-programmable-structures
aai-programmable-vehicles
aai-signal-transmission
aai-signals
aai-vehicles-chaingunner
aai-vehicles-flame-tank
aai-vehicles-flame-tumbler
aai-vehicles-hauler
aai-vehicles-laser-tank
aai-vehicles-miner
aai-vehicles-warden
aai-zones
AdditionalMiningTechs
adrenaline
Aircraft
AircraftDrones
AircraftRealism
alien-biomes
alien-biomes-hr-terrain
ArmouredBiters
artefact
Automatic_Coupling_System
Avatars
beltlayer
Big-Monsters
big-wooden-pole
bigtruck
BlueprintLab_design
bobinserters
bullet-trails
cargo-ships
ClearSkiesOfPeace
Construction_Drones
Crawler
creeper
CW-orbital-solar-power
Dectorio
dirtybarrels
dyson-sphere
EditorExtensions
Environmental_Science
even-distribution
event-listener
extended-descriptions
factoryplanner
Fill4Me
fixLargeElectricPole
flib
grappling-gun
HelicopterRevival
implant_camera
IncendiaryMunitions
informatron
jetpack
k2se-compatibility
krastorio-2-compat
Krastorio2
LargeLamp
LJD_Vehicles_A16
LootingRemnants
LSlib
miniloader
minime
MIRV
move-with-mouse
MultipleUnitTrainControl
MushroomCloud
oil-hauler
Orbital Ion Cannon
Oxygen2_0
PavementDriveAssist
PickerAtheneum
PickerBeltTools
PickerBlueprinter
PickerDollies
PickerEquipmentKeys
PickerExtended
PickerInventoryTools
PickerPipeTools
PickerVehicles
pipelayer
platforms
Pollution_is_the_Solution
Powered_Entities
railloader
RaiLuaLib
RealisticFusionPower
RealisticFusionWeaponry
RealisticReactors
RealisticUranium
Realistic_Electric_Trains
RecipeBook
regenerate-terrain
Robot256Lib
robotarmy
robot_attrition
Rocket-Silo-Construction
SantasNixieTubeDisplay
SchallAlienLoot
SchallAlienMutation
SchallAlienTech
SchallAmmoTurrets
SchallArachnidPlatoon
SchallArmouredTrain
SchallArtillery
SchallCircuitGroup
SchallCircuitScaling
SchallCombatRobotics
SchallEndgameEvolution
SchallGeowarfare
SchallGunPod
SchallInserters
SchallLampContrast
SchallLandMine
SchallMissileCommand
SchallPickupTower
SchallPrimaryBattery
SchallRechargingWeapon
SchallRemainsPickup
SchallStartingInventory
SchallSuit
SchallTankPlatoon
SchallTransportGroup
SchallVirtualSignal
selfsealingstembolts
Shortcuts-ick
ShowRoboportLimits
slp-underground-poles
Soundpack-alerts-and-sirens
space-exploration
space-exploration-graphics
space-exploration-postprocess
spidertron-logistics
Spider_Control
stdlib
StoneWaterWell
Stormwalls
textplates
Todo-List
Total_Automization
Tow_Tank
train-pubsub
True-Nukes
Unit_Control
VehicleWagon2

Might be fixed now. It's hard to tell with such a huge modlist, some of which don't work in 1.0. :)

I have the same error, my modlist is below but i tested and it looks like the conflict is only with space-exploration, without it works.
Any way that it works with space-exploration together?

Fehler beim Laden der Mods: beltlayer/data-updates.lua:2: beltlayer/prototypes/bpproxies.lua:12: attempt to perform arithmetic on field 'height' (a nil value)
stack traceback:
beltlayer/prototypes/bpproxies.lua:12: in function <beltlayer/prototypes/bpproxies.lua:7>
(...tail calls...)
beltlayer/prototypes/bpproxies.lua:74: in function 'make_transport_belt_proxy'
beltlayer/prototypes/bpproxies.lua:82: in main chunk
[C]: in function 'require'
beltlayer/data-updates.lua:2: in main chunk
stack traceback:
[C]: in function 'require'
beltlayer/data-updates.lua:2: in main chunk

Mods, die deaktiviert werden müssen:
• beltlayer (1.0.1)

Modlist:

base
aai-industry
aai-signal-transmission
aai-signals
aai-vehicles-chaingunner
aai-vehicles-flame-tank
aai-vehicles-hauler
aai-vehicles-laser-tank
aai-vehicles-miner
aai-vehicles-warden
aai-zones
accumulator-wagon
AdjustableSciences
Advanced-Electric-Revamped-v16
AdvancedSubstation
Advanced_Modules
adv_heat
Aircraft
AircraftDrones
alien-biomes
AlienWall
assembling-machine-up
Asteroid_Mining
Battle_Wagons
beltlayer
beltSorter
Better-Power-Armor-Grid
BetterBots
bigtruck
Big_Brother
BlackModule
built-in-beacons-fe-plus
CompressedFluids
Deadlock-AAII-bridge
deadlock-addon-space
deadlock-beltboxes-loaders
Deadlock-SE-bridge
DeadlockCrating
DeadlockStackingForSchallAlienLoot
DeadlockStackingForVanilla
deep-storage-unit
DeepMineALT
DragonIndustries
EditorExtensions
ev-mining-drills
FactorioExtended-Plus-Core
FactorioExtended-Plus-Equipment
FactorioExtended-Plus-Logistics
FactorioExtended-Plus-Machines
FactorioExtended-Plus-Module
FactorioExtended-Plus-Power
FactorioExtended-Plus-Storage
FactorioExtended-Plus-Transport
FactorioExtended-Plus-Weaponry
Factorissimo2
factoryplanner
fcpu
flib
Flow Control
fluid-memory-storage
FluidMustFlow
fluid_permutations
GunEquipment
helmod
Hiladdar_Robots
Hovercrafts
InfiTech
informatron
jetpack
Juicy_mods
K2_Turrets
K2_Wireless-Charger
Kythbloods_Stacked_Mining
leighzerlongrangeradar
LoaderRedux
logistic-cargo-wagon
logistic-memory-units
LogisticTrainNetwork
LSlib
miniloader
Moon_Logic
More-Exoskeletons
more-fusion-reactors
more_modules
Personal-Roboport-Mk3
PlutoniumEnergy
Portable_power
PowerAndArmor
PressurizedFluidsSpaceExplorationBridge
railloader
RealisticFusionPower
RealisticReactors
Realistic_Electric_Trains
RecipeBook
RoboportMK2
Robot256Lib
robotworld-continued
robot_attrition
Robot_Battery_Research
Rocket-Silo-Construction
RPGsystem
rusty-locale
sapling-capsule
scattergun_turret
SchallAlienLoot
SchallAlienMutation
SchallAlienTech
SchallAmmoTurrets
SchallArachnidPlatoon
SchallArmouredTrain
SchallBeltConfiguration
SchallCircuitGroup
SchallCombatRobotics
SchallEndgameEvolution
SchallGunPod
SchallInserters
SchallLandMine
SchallLanguagePack
SchallOilFuel
SchallOreConversion
SchallPrimaryBattery
SchallRailwayController
SchallStartingInventory
SchallSuit
SchallTankPlatoon
SchallTransportGroup
SchallUraniumProcessing
ScienceConversion
ScriptLib
skan-fusion-robots
Solar-Lamp
space-exploration
space-exploration-graphics
space-exploration-hr-graphics
space-exploration-postprocess
spidertron-extended
SpidertronEngineer
stdlib
StoneEnrichment
train-pubsub
underground-pipe-pack
UnlimitedProductivity
vanilla-loaders-hd
VehicleWagon2
vtk-armor-plating
windturbines
zombiesextended-core
zombiesextended-equipment
zombiesextended-modules