diff --git a/app/lib/sprites/SpriteBuilder.coffee b/app/lib/sprites/SpriteBuilder.coffee
index db4fe78ff..babf5178a 100644
--- a/app/lib/sprites/SpriteBuilder.coffee
+++ b/app/lib/sprites/SpriteBuilder.coffee
@@ -13,7 +13,9 @@ module.exports = class SpriteBuilder
 
   buildMovieClip: (animationName, movieClipArgs...) ->
     animData = @animationStore[animationName]
-    console.log "couldn't find animData from", @animationStore, "for", animationName unless animData
+    unless animData
+      console.error "couldn't find animData from", @animationStore, "for", animationName
+      return null
     locals = {}
     _.extend locals, @buildMovieClipShapes(animData.shapes)
     _.extend locals, @buildMovieClipContainers(animData.containers)
diff --git a/app/models/ThangType.coffee b/app/models/ThangType.coffee
index 94e54ed4a..d538ba4dd 100644
--- a/app/models/ThangType.coffee
+++ b/app/models/ThangType.coffee
@@ -91,6 +91,7 @@ module.exports = class ThangType extends CocoModel
     for animation in @requiredRawAnimations()
       name = animation.animation
       mc = @vectorParser.buildMovieClip name
+      continue unless mc
       @builder.addMovieClip mc, null, animation.scale * @options.resolutionFactor
       framesMap[animation.scale + "_" + name] = @builder._animations[name].frames
 
@@ -98,6 +99,7 @@ module.exports = class ThangType extends CocoModel
       continue if name is 'portrait'
       scale = action.scale ? @get('scale') ? 1
       frames = framesMap[scale + "_" + action.animation]
+      continue unless frames
       frames = @mapFrames(action.frames, frames[0]) if action.frames?
       next = true
       next = action.goesTo if action.goesTo
@@ -108,6 +110,7 @@ module.exports = class ThangType extends CocoModel
       continue if name is 'portrait'
       scale = @options.resolutionFactor * (action.scale or @get('scale') or 1)
       s = @vectorParser.buildContainerFromStore(action.container)
+      continue unless s
       frame = @builder.addFrame(s, s.bounds, scale)
       @builder.addAnimation name, [frame], false
 
diff --git a/app/views/editor/thang/edit.coffee b/app/views/editor/thang/edit.coffee
index f290e76a9..9210b6c89 100644
--- a/app/views/editor/thang/edit.coffee
+++ b/app/views/editor/thang/edit.coffee
@@ -210,6 +210,7 @@ module.exports = class ThangTypeEditView extends View
   showMovieClip: (animationName) ->
     vectorParser = new SpriteBuilder(@thangType)
     movieClip = vectorParser.buildMovieClip(animationName)
+    return unless movieClip
     reg = @thangType.get('positions')?.registration
     if reg
       movieClip.regX = -reg.x