Alien commander tutorial doesn't start

Server has had 265 errors.
[669.155] ServerUpdate : Error: expected Entity got nil
[Server] Script Error #267: expected Entity got nil
Call stack:
#1: [C]:-1
#2: SortEntitiesByDistance [C]:-1
#3: FindNewPowerConsumers lua/PowerUtility.lua:21
powerSource = PowerPoint-1781 {alive=true, animationGraphIndex=76, armor=1000, attackTime=0, buildFraction=1, collisionRep=0, constructionComplete=true, flinchIntensity=0, gameEffects
Flags=0, health=2000, healthIgnored=false, hotGroupNumber=0, inCombat=false, isCorroded=false, lastTakenDamageAmount=0, lastTakenDamageOrigin=cdata, lastTakenDamageTime=0, lastTargetId=-1, li
ghtMode=1, locationId=2, maxArmor=1000, maxHealth=2000, modelIndex=319, nanoShielded=false, parasiteDuration=0, parasited=false, physicsGroup=2, physicsGroupFilterMask=0, physicsType=4, playI
dleSound=true, powerState=2, powering=true, selectionMask=0, sighted=false, teamNumber=1, techId=97, timeLastConstruct=0, timeLastHealed=14.480554580688, timeLastVisuallyHealed=0, timeOfDestr
uction=0, timeOfLightModeChange=14.480554580688, timeParasited=0, underConstruction=false, visibleClient=false }
consumers = {1=InfantryPortal-1127 {alive=true, animationBlend=0, animationGraphIndex=15, animationGraphNode=0, animationSequence2=-1, animationSequence=0, animationSpeed2=1, animati
onSpeed=1, animationStart2=0, animationStart=14.480554580688, armor=500, buildFraction=1, collisionRep=0, constructionComplete=true, currentOrderId=-1, dissolveStart=0, flinchIntensity=0, gam
eEffectsFlags=0, health=1525, healthIgnored=false, hotGroupNumber=0, inCombat=false, isCorroded=false, isGhostStructure=false, lastTakenDamageAmount=0, lastTakenDamageOrigin=cdata, lastTakenD
amageTime=0, lastTargetId=-1, layer1AnimationBlend=0, layer1AnimationGraphNode=10, layer1AnimationSequence2=-1, layer1AnimationSequence=-1, layer1AnimationSpeed2=1, layer1AnimationSpeed=1, la
yer1AnimationStart2=0, layer1AnimationStart=0, locationId=2, maxArmor=500, maxHealth=1525, modelIndex=22, nanoShielded=false, parasiteDuration=0, parasited=false, physicsGroup=3, physicsGroup
FilterMask=0, physicsType=4, playIdleSo
[669.167] ServerUpdate : Error: Failed to add an obstacle at 44.20, -98.76, -38.20!
[669.167] ServerUpdate : Error: Failed to add an obstacle at 119.15, -102.51, -78.69!
[669.167] ServerUpdate : Error: Failed to add an obstacle at 67.16, -102.34, -110.21!
[669.167] ServerUpdate : Error: Failed to add an obstacle at 9.83, -102.54, -98.15!
[669.167] ServerUpdate : Error: Failed to add an obstacle at 6.27, -94.26, -22.63!
Server has had 266 errors.
[669.170] ServerUpdate : Error: Failed to add an obstacle at 44.20, -98.76, -38.20!
[669.170] ServerUpdate : Error: Failed to add an obstacle at 119.15, -102.51, -78.69!
[669.170] ServerUpdate : Error: Failed to add an obstacle at 67.16, -102.34, -110.21!
[669.170] ServerUpdate : Error: Failed to add an obstacle at 9.83, -102.54, -98.15!
[669.170] ServerUpdate : Error: Failed to add an obstacle at 6.27, -94.26, -22.63!
[669.174] ServerUpdate : Error: Failed to add an obstacle at 6.27, -94.26, -22.63!
[669.175] ServerUpdate : Error: Failed to add an obstacle at -13.54, -93.57, -34.70!
[669.176] ServerUpdate : Error: Failed to add an obstacle at -15.70, -94.16, -28.17!
[669.177] ServerUpdate : Error: Failed to add an obstacle at 67.16, -102.34, -110.21!
[669.185] ServerUpdate : Error: Failed to add an obstacle at 58.07, -99.03, -133.27!
[669.196] ServerUpdate : Error: expected Entity got nil
[Server] Script Error #268: expected Entity got nil
Call stack:
#1: [C]:-1
#2: SortEntitiesByDistance [C]:-1
#3: FindNewPowerConsumers lua/PowerUtility.lua:21
powerSource = PowerPoint-1951 {alive=true, animationGraphIndex=76, armor=1000, attackTime=0, buildFraction=1, collisionRep=0, constructionComplete=true, flinchIntensity=0, gameEffectsFlags=0, health=2000, healthIgnored=false, hotGroupNumber=0, inCombat=false, isCorroded=false, lastTakenDamageAmount=0, lastTakenDamageOrigin=cdata, lastTakenDamageTime=0, lastTargetId=-1, lightMode=1, locationId=2, maxArmor=1000, maxHealth=2000, modelIndex=319, nanoShielded=false, parasiteDuration=0, parasited=false, physicsGroup=2, physicsGroupFilterMask=0, physicsType=4, playIdleSound=true, powerState=2, powering=true, selectionMask=0, sighted=false, teamNumber=1, techId=97, timeLastConstruct=0, timeLastHealed=14.521141052246, timeLastVisuallyHealed=0, timeOfDestruction=0, timeOfLightModeChange=14.521141052246, timeParasited=0, underConstruction=false, visibleClient=false }
consumers = {1=InfantryPortal-2708 {alive=true, animationBlend=0, animationGraphIndex=15, animationGraphNode=0, animationSequence2=-1, animationSequence=0, animationSpeed2=1, animationSpeed=1, animationStart2=0, animationStart=14.521141052246, armor=500, buildFraction=1, collisionRep=0, constructionComplete=true, currentOrderId=-1, dissolveStart=0, flinchIntensity=0, gameEffectsFlags=0, health=1525, healthIgnored=false, hotGroupNumber=0, inCombat=false, isCorroded=false, isGhostStructure=false, lastTakenDamageAmount=0, lastTakenDamageOrigin=cdata, lastTakenDamageTime=0, lastTargetId=-1, layer1AnimationBlend=0, layer1AnimationGraphNode=10, layer1AnimationSequence2=-1, layer1AnimationSequence=-1, layer1AnimationSpeed2=1, layer1AnimationSpeed=1, layer1AnimationStart2=0, layer1AnimationStart=0, locationId=2, maxArmor=500, maxHealth=1525, modelIndex=22, nanoShielded=false, parasiteDuration=0, parasited=false, physicsGroup=3, physicsGroupFilterMask=0, physicsType=4, playIdleSo
[669.207] ServerUpdate : Error: Failed to add an obstacle at 44.20, -98.76, -38.20!
[669.207] ServerUpdate : Error: Failed to add an obstacle at 119.15, -102.51, -78.69!
[669.207] ServerUpdate : Error: Failed to add an obstacle at 67.16, -102.34, -110.21!
[669.207] ServerUpdate : Error: Failed to add an obstacle at 9.83, -102.54, -98.15!
[669.207] ServerUpdate : Error: Failed to add an obstacle at 6.27, -94.26, -22.63!
[669.210] ServerUpdate : Error: Failed to add an obstacle at 44.20, -98.76, -38.20!
[669.210] ServerUpdate : Error: Failed to add an obstacle at 119.15, -102.51, -78.69!