# Problems with Version 7.4 (18651b) -Exception while exporting site

**URL:** <https://forums.realmacsoftware.com/t/problems-with-version-7-4-18651b-exception-while-exporting-site/13554>\
**Category:** RapidWeaver Classic\
**Created:** [April 9, 2017, 8:03pm UTC](https://forums.realmacsoftware.com/t/problems-with-version-7-4-18651b-exception-while-exporting-site/13554 "2017-04-09T20:03:04Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![TINO](https://dub1.discourse-cdn.com/flex005/user_avatar/forums.realmacsoftware.com/tino/32/24920_2.png) [@TINO](https://forums.realmacsoftware.com/u/TINO)\
**Post date:** [April 9, 2017, 8:03pm UTC](https://forums.realmacsoftware.com/t/problems-with-version-7-4-18651b-exception-while-exporting-site/13554/1 "2017-04-09T20:03:04Z")

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Hi Guys,

I can’t open my site in Preview mode, from Edit to Preview. I get a dialog box with an error when I try to preview:  
 ![](https://europe1.discourse-cdn.com/flex005/uploads/realmacsoftware1/original/2X/f/f6d5bf1afa574b136e13221e6bd7c21d2d53e466.png)  
I’m not exporting my site neither publishing, still under construction.  
Hope someone can sort me out pls, I need to work on my client site and can’t.  
Thanks

NB. I’m using the latest Beta Version 7.4 (18651b).

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**Author:** ![ricinport](https://dub1.discourse-cdn.com/flex005/user_avatar/forums.realmacsoftware.com/ricinport/32/9349_2.png) [@ricinport](https://forums.realmacsoftware.com/u/ricinport)\
**Post date:** [April 9, 2017, 8:26pm UTC](https://forums.realmacsoftware.com/t/problems-with-version-7-4-18651b-exception-while-exporting-site/13554/2 "2017-04-09T20:26:47Z")

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The clue’s in the word ‘beta’.

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**Author:** ![dan](https://dub1.discourse-cdn.com/flex005/user_avatar/forums.realmacsoftware.com/dan/32/28516_2.png) [@dan](https://forums.realmacsoftware.com/u/dan)\
**Post date:** [April 10, 2017, 9:20am UTC](https://forums.realmacsoftware.com/t/problems-with-version-7-4-18651b-exception-while-exporting-site/13554/3 "2017-04-10T09:20:35Z")

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This has now been fixed: [RapidWeaver 7.4 (18663b) Beta [UPDATE 11th April]](http://forums.realmacsoftware.com/t/rapidweaver-7-4-18657b-beta-update/13516/7)

Happy Weaving!

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**Author:** ![dan](https://dub1.discourse-cdn.com/flex005/user_avatar/forums.realmacsoftware.com/dan/32/28516_2.png) [@dan](https://forums.realmacsoftware.com/u/dan)\
**Post date:** [April 10, 2017, 9:20am UTC](https://forums.realmacsoftware.com/t/problems-with-version-7-4-18651b-exception-while-exporting-site/13554/4 "2017-04-10T09:20:39Z")

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