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    (Closed) Importing a unitypackage I get this error multiple times
     
     
     
    5
    1) What happened

    Importing a unitypackage I get this error multiple times:
    Plugin path can't be empty, meta data path library/metadata/00/000000000000000000000000000

    (BTW I can't copy paste from the Unity console to this text field!! Will file another bug for that!)

    2) How can we reproduce it using the example you attached

    Start a new project and import the attached unitypackage.
     
       
      To follow up on this case, send email to bugs@unity3d.com mentioning 'Case 657011' in the subject.
      Your Cases:
      Case Title Status Date Opened
      1116792 Sub menus are not properly collapsed if there is a space before "/" It works in older versions of Unity Closed 1/12/2019 9:10 PM
      1115381 EnumPopup behaves differently than the default inspector and previous versions of unity, and breaks with "/" in names Closed 1/8/2019 9:50 PM
      1103312 Comment[194918] on package Playmaker: Asset Store Violation Report Closed 11/23/2018 7:11 AM
      1032474 Playmaker dll won't load in Unity 2018.2 beta Closed 5/1/2018 6:00 PM
      994650 Playmaker project fails to build for UWP. Same project builds fine in 2017.1 Closed 1/29/2018 11:40 PM
      954335 The Asset Store imports assets for newer versions of Unity in older versions Closed 9/27/2017 4:20 AM
      949595 Collab UI is broken and doesn't let me publish Closed 9/9/2017 6:40 AM
      938368 The Unity API Updater failed to update PlayMaker Closed 8/3/2017 7:30 AM
      937084 Editor crashes when a timeline audio track uses a disabled audio source Closed 8/1/2017 6:10 AM
      917332 Asset Store does not let you access downloads when offline Open 6/3/2017 12:30 AM
      912144 Comment[126020] on package Playmaker: Report Abuse Closed 5/18/2017 6:24 AM
      891939 Upgrade to Unity 5.6 breaks PlayMakerFSM script references on GameObjects Closed 3/16/2017 9:30 PM
      793329 GenericMenu.ShowAsContext() used on a second moinitor opens a menu on the main monitor Closed 5/1/2016 8:28 PM
      793319 Editor mouse position doesn't update when dragging between monitors Closed 5/1/2016 7:39 PM
      752374 Inconsistent folder guids on importing package Open 12/9/2015 10:38 PM
      739288 Crashed on importing new assets Open 10/25/2015 2:17 PM
      735226 In the import package window, hard to match file on the left with the info on the right Closed 10/11/2015 8:19 PM
      735225 The new Import Package shows warnings on folder guids that are not useful Closed 10/11/2015 8:09 PM
      735219 The Asset Store offline mode does not detect a new internet connection Closed 10/11/2015 7:59 PM
      735216 Ambient Probes errors in the console when starting new project Closed 10/11/2015 7:49 PM
      735215 Can't import assets from Asset Store when offline Closed 10/11/2015 7:49 PM
      735214 Bug Reporter layout is bad on hi dpi screens Closed 10/11/2015 7:49 PM
      703369 Crashed when creating a new project and loading default layout Closed 6/10/2015 8:19 PM
      688728 Unity 5 WSA builds not recognizing extension methods Closed 4/11/2015 7:39 PM
      675903 WebGL Dll in Plugins folder crashes browser Closed 2/27/2015 5:58 AM
      675726 Bug Reporter GUI looks bad on retina displays Open 2/26/2015 6:49 PM
      675721 Build hangs for a long time Closed 2/26/2015 6:39 PM
      665484 User submitted bug Closed 1/21/2015 7:49 PM
      662219 Vuforia test scene fails to build with IL2CPP build for iOS Closed 1/10/2015 10:39 PM
      657013 Can't copy/paste text from the Unity Console to the Unity Closed 12/16/2014 9:10 PM
      657011 Importing a unitypackage I get this error multiple times Closed 12/16/2014 8:58 PM
      655275 Upgraded to beta 16 and editor spams this error Closed 12/11/2014 6:09 PM
      653969 Comment[32912] on package Playmaker: Report Abuse Closed 12/6/2014 10:05 PM
      650852 After importing a unitypackage that adds menu items, the Closed 11/25/2014 7:48 AM
      650588 Assets\PlayMaker\Versions\PlaymakerNACL.unitypackage Closed 11/24/2014 2:39 PM
      650457 WebGL build hangs on "Native Compile to JS" and never Closed 11/24/2014 5:39 AM
      650454 Build and Play for WebGL Closed 11/24/2014 5:19 AM
      649467 Mousing over the scene view the console is spammed with Closed 11/20/2014 5:58 AM
      649055 WP8 build fails with plugin in Assets\Plugins\WP8 Closed 11/18/2014 10:19 PM
      646180 Trying to build a minimal Playmaker project for WebGL. Build Closed 11/7/2014 6:39 PM
      618852 Comment[25806] on package Playmaker: Report Abuse Closed 7/10/2014 5:45 PM
      617144 This Playmaker Metro test project builds fine in 4.2 and 4.3 Closed 7/2/2014 3:00 AM
      615206 Started a new project and imported 2D Toolkit and a texture Open 6/22/2014 4:59 AM
      613744 Comment[24748] on package Playmaker: Report Abuse Closed 6/14/2014 9:53 PM
      601355 Comment[21440] on package Playmaker: Report Abuse Closed 4/9/2014 3:26 AM
      573212 Comment[13887] on package Playmaker: Report Abuse Closed 11/2/2013 6:32 PM
      557137 Using the new build iOS in windows feature with Closed 8/12/2013 4:04 PM
      556171 A$ Submission 50265: Playmaker Windows Phone 8 Add-On Closed 8/7/2013 4:49 PM
      555426 A$ Submission 50195: Playmaker BlackBerry Add-on Closed 8/4/2013 12:22 AM
      515261 NullReferenceException: Object reference not set to an Open 1/17/2013 5:32 AM
      498797 A$ Submission 551: Playmaker Closed 11/12/2012 8:19 PM
      498635 Nested enums in a class show as int field in inspector Closed 11/12/2012 6:05 AM
      497097 Display bug in the editor with Multiline Attribute and Closed 11/5/2012 12:16 PM
      497033 Display bug in the editor with Multiline Attribute and Closed 11/4/2012 4:46 PM
      496731 Unity 4 editor gui bug Open 11/2/2012 12:02 AM
      443085 When editing an array in a prefab instance, added elements Closed 2/12/2012 5:13 PM
      434886 Class that implements IEquatable does not build with Flash Closed 12/27/2011 8:31 PM
      434885 Numerous Flash build errors when trying to extend System. Closed 12/27/2011 8:20 PM
      434882 string.CompareOrdinal is not supported in Flash builds Closed 12/27/2011 7:41 PM
      434880 useGUILayout does not seem to be supported in Flash builds Closed 12/27/2011 7:31 PM
      434878 #if UNITY_FLASH is undocumented Closed 12/27/2011 7:06 PM
      434870 Error when returning to Unity with the Importing package Open 12/27/2011 6:12 PM
      433918 Time.realtimeSinceStartup seems to be wrong in Awake and Closed 12/20/2011 7:30 PM
      418913 Playmaker category mixup results in two folders. Closed 9/12/2011 5:11 PM
      407974 Loading a Unity Project on a Mac from the Bootcamp disk Open 6/11/2011 4:19 AM
      406662 On the PC an EditorWindow Repaints before opening a context Closed 6/3/2011 6:54 PM
      406657 Unity crashes when a script closes a maximized EditorWindow Closed 6/3/2011 6:15 PM
      376802 While managing files in the Project view, I multiselected Closed 10/4/2010 5:52 PM
      376679 ScriptableObjects in MonoBehaviours are lost when you make Open 10/3/2010 12:47 AM
      375652 A GameObject destroyed with a delay in the same frame that Closed 9/26/2010 3:48 AM
      374776 Unity crashed when auto restarting after importing (updating Closed 9/19/2010 3:48 PM
      373962 Editor crashed when undocking Game tab while playing Closed 9/13/2010 6:43 PM