# \[Error\] m\_PendingRadiositySystemHashes . empty()

**URL:** https://discussions.unity.com/t/error-m_pendingradiositysystemhashes-empty/603724
**Category:** Lighting & Global Illumination
**Tags:** Global-Illumination
**Created:** [November 1, 2015, 4:08pm UTC](https://discussions.unity.com/t/error-m_pendingradiositysystemhashes-empty/603724 "2015-11-01T16:08:30Z")
**Posts on this page:** 4
**Page:** 1

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### Author: ![Quatum1000](https://dub1.discourse-cdn.com/unity/user_avatar/discussions.unity.com/quatum1000/32/419295_2.png) [@Quatum1000](https://discussions.unity.com/u/Quatum1000)
#### Post date: [November 1, 2015, 4:08pm UTC](https://discussions.unity.com/t/error-m_pendingradiositysystemhashes-empty/603724/1 "2015-11-01T16:08:30Z")

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In some cases I got the error m\_PendingRadiositySystemHashes.empty() after cleaning the GI cache for some simply testing purposes with some cubes and the Enlighten loops at clustering 5/11.  
Enough RAM and running Unity only.

 ![2364211--160453--M_.jpg](https://europe1.discourse-cdn.com/unity/original/3X/a/9/a9f3364a6113c5a161d3f78595070ff2c364f4af.jpeg)

Bug Report : 741868

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<div class="post-metadata">

### Author: ![KEngelstoft](https://avatars.discourse-cdn.com/v4/letter/k/6bbea6/32.png) [@KEngelstoft](https://discussions.unity.com/u/KEngelstoft)
#### Post date: [November 2, 2015, 3:17pm UTC](https://discussions.unity.com/t/error-m_pendingradiositysystemhashes-empty/603724/2 "2015-11-02T15:17:37Z")

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Please file a bug report, this shouldn’t happen.

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<div class="post-metadata">

### Author: ![Quatum1000](https://dub1.discourse-cdn.com/unity/user_avatar/discussions.unity.com/quatum1000/32/419295_2.png) [@Quatum1000](https://discussions.unity.com/u/Quatum1000)
#### Post date: [November 4, 2015, 12:49am UTC](https://discussions.unity.com/t/error-m_pendingradiositysystemhashes-empty/603724/3 "2015-11-04T00:49:47Z")

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Reported also  
_**m\_SystemData.empty()**_  
_**UnityEditor.HostView:OnGUI()**_

 ![2367752--160788--Untitled-1.jpg](https://europe1.discourse-cdn.com/unity/original/4X/9/1/0/9104d3315b4bb2d3a789526ed60c84c4b5413e46.jpeg)

Bug Report: 741871

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<div class="post-metadata">

### Author: ![Quatum1000](https://dub1.discourse-cdn.com/unity/user_avatar/discussions.unity.com/quatum1000/32/419295_2.png) [@Quatum1000](https://discussions.unity.com/u/Quatum1000)
#### Post date: [November 4, 2015, 1:10am UTC](https://discussions.unity.com/t/error-m_pendingradiositysystemhashes-empty/603724/4 "2015-11-04T01:10:09Z")

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Reported also  
**m\_SystemData.empty()**  
**UnityEditor.GenericMenu:CatchMenu(Object, String[&nbsp;], Int32)**

 ![2367769--160789--Untitled-1.jpg](https://europe1.discourse-cdn.com/unity/original/4X/6/c/4/6c4249452a2592a061cf79e4893517e2389223cc.jpeg)

Bug Report: 741875