# Call GetBODataHelper Error

**URL:** <https://devforum.zoom.us/t/call-getbodatahelper-error/91737>\
**Category:** Windows\
**Created:** [July 13, 2023, 5:16am UTC](https://devforum.zoom.us/t/call-getbodatahelper-error/91737 "2023-07-13T05:16:49Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![VideoPro](https://sea2.discourse-cdn.com/flex016/user_avatar/devforum.zoom.us/videopro/32/40603_2.png) [@VideoPro](https://devforum.zoom.us/u/VideoPro)\
**Post date:** [July 13, 2023, 5:16am UTC](https://devforum.zoom.us/t/call-getbodatahelper-error/91737/1 "2023-07-13T05:16:49Z")

</div>

I am a developer of CSharp’s Windows Meeting SDK, and I am currently working on a Custom Breakout Room. As the moderator, I successfully entered the discussion group, but the call to the GetBODataHelper() method prompted me that the Memory module was damaged, but there was no problem when I called the GetBODataHelper() method during the creation of the discussion group. Did I miss anything after I entered the discussion group? Do I need to reinitialize Zoom? For example, has the object in CZoomSDKeDotNetWrap changed, causing a memory error in the calling object?

Windows Meeting SDK version?  
5.5

Steps to reproduce the behavior:

1. Calling GetBODataHelper works fine.
2. Create Breakout Room and JoinBO as Host.
3. Calling GetBODataHelper returns error sometime.

error message:  
Attempt to read or write to protected memory. This usually indicates that other memory is damaged

```
ZOOMSDK::IBODataWrap::UnInit(void) - meeting_BOData_wrap.cpp
ZOOMSDK::IBODataWrap::Init(ZOOMSDK::IBOData*) - meeting_BOData_wrap.cpp
ZOOMSDK::IMeetingBOControllerWrap::GetBODataHelper(void) - meeting_BO_wrap.h

```

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<div class="post-metadata">

**Author:** ![system](https://us1.discourse-cdn.com/flex016/uploads/zoomdeveloper/original/3X/6/1/614bdd549b610bbaa46ff934617683a02bdaa03c.png) [@system](https://devforum.zoom.us/u/system)\
**Post date:** [August 12, 2023, 3:16pm UTC](https://devforum.zoom.us/t/call-getbodatahelper-error/91737/2 "2023-08-12T15:16:55Z")

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Closed on August 12, 2023, 3:16pm UTC

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