# Fatal error in preview

**URL:** <https://forums.realmacsoftware.com/t/fatal-error-in-preview/22572>\
**Category:** RapidWeaver Classic\
**Created:** [September 30, 2018, 10:17am UTC](https://forums.realmacsoftware.com/t/fatal-error-in-preview/22572 "2018-09-30T10:17:38Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![guywoodland](https://dub1.discourse-cdn.com/flex005/user_avatar/forums.realmacsoftware.com/guywoodland/32/37481_2.png) [@guywoodland](https://forums.realmacsoftware.com/u/guywoodland)\
**Post date:** [September 30, 2018, 10:17am UTC](https://forums.realmacsoftware.com/t/fatal-error-in-preview/22572/1 "2018-09-30T10:17:38Z")

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**Trying to preview and I get a fatal error, any ideas why or what?**

```
	: Uncaught ArgumentCountError: Too few arguments to function totalpreview::get_depot(), 1 passed in /private/var/folders/mj/s0f6syb97vxgcx8nqhdmprq40000gn/T/com.realmacsoftware.rapidweaver8/RapidWeaver/4865/document-0x600004309300/RWDocumentPagePreview/Flying/index.php on line 1086 and exactly 2 expected in /private/var/folders/mj/s0f6syb97vxgcx8nqhdmprq40000gn/T/com.realmacsoftware.rapidweaver8/RapidWeaver/4865/document-0x600004309300/RWDocumentPagePreview/Flying/index.php:910 Stack trace: #0 /private/var/folders/mj/s0f6syb97vxgcx8nqhdmprq40000gn/T/com.realmacsoftware.rapidweaver8/RapidWeaver/4865/document-0x600004309300/RWDocumentPagePreview/Flying/index.php(1086): totalpreview->get_depot('flyingdepot') #1 /Applications/RapidWeaver 8.app/Contents/Resources/RWWebServerLaunch.php(164): include('/private/var/fo...') #2 {main} thrown in on line

```

 ![ooops](https://europe1.discourse-cdn.com/flex005/uploads/realmacsoftware1/original/2X/f/f367ceba0dae05692de61f3e3d70f059ea7d1d77.jpeg)

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<div class="post-metadata">

**Author:** ![instacks](https://dub1.discourse-cdn.com/flex005/user_avatar/forums.realmacsoftware.com/instacks/32/23339_2.png) [@instacks](https://forums.realmacsoftware.com/u/instacks)\
**Post date:** [October 1, 2018, 4:40am UTC](https://forums.realmacsoftware.com/t/fatal-error-in-preview/22572/2 "2018-10-01T04:40:02Z")

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Are you using a stack on that page, which requires PHP?

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<div class="post-metadata">

**Author:** ![system](https://dub1.discourse-cdn.com/flex005/user_avatar/forums.realmacsoftware.com/system/32/25301_2.png) [@system](https://forums.realmacsoftware.com/u/system)\
**Post date:** [October 31, 2018, 2:40pm UTC](https://forums.realmacsoftware.com/t/fatal-error-in-preview/22572/3 "2018-10-31T14:40:04Z")

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