# Mainsaile "Error"

**URL:** <https://klipper.discourse.group/t/mainsaile-error/22337>\
**Category:** General Discussion\
**Created:** [March 4, 2025, 9:47pm UTC](https://klipper.discourse.group/t/mainsaile-error/22337 "2025-03-04T21:47:39Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![EleriLove](https://yyz2.discourse-cdn.com/free1/user_avatar/klipper.discourse.group/elerilove/32/17934_2.png) [@EleriLove](https://klipper.discourse.group/u/EleriLove)\
**Post date:** [March 4, 2025, 9:47pm UTC](https://klipper.discourse.group/t/mainsaile-error/22337/1 "2025-03-04T21:47:39Z")

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### Basic Information:

Printer Model: Davinci 1.0 pro  
 MCU / Printerboard:Sam4e8e  
 Host / SBC Pi 4  
 klippy.log  
[klippy.log](https://klipper.discourse.group/uploads/short-url/jfbRAnjZeO1AD0gKj9alTTb82r1.log) (10.2 KB)

 ![image](https://global.discourse-cdn.com/free1/uploads/klipper/original/3X/d/2/d2cf80b6682e853d5cc0b53b00aafce20e4c55c4.png)  
mainsail doesn’t load? this was working earlier I just installed it directly from Pi Imager onto a known good SD card, I also tried a second SD card, I updated everything through Kiauh and still nothing? any guesses?

_Fill out above information and_ **_in all cases attach your_ `klippy.log` _file_** (use zip to compress it, if too big). _Pasting your_ `printer.cfg` _is **not** needed_  
_ **Be sure to check our “Knowledge Base” Category first. Most relevant items, e.g. error messages, are covered there** _

### Describe your issue:

…

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<div class="post-metadata">

**Author:** ![EleriLove](https://yyz2.discourse-cdn.com/free1/user_avatar/klipper.discourse.group/elerilove/32/17934_2.png) [@EleriLove](https://klipper.discourse.group/u/EleriLove)\
**Post date:** [March 4, 2025, 9:48pm UTC](https://klipper.discourse.group/t/mainsaile-error/22337/2 "2025-03-04T21:48:16Z")

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issue with firefox only.

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**Author:** ![EddyMI3D](https://yyz2.discourse-cdn.com/free1/user_avatar/klipper.discourse.group/eddymi3d/32/1981_2.png) [@EddyMI3D](https://klipper.discourse.group/u/EddyMI3D)\
**Post date:** [March 4, 2025, 9:52pm UTC](https://klipper.discourse.group/t/mainsaile-error/22337/3 "2025-03-04T21:52:42Z")

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You can set Firefox to accept local addresses.

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**Author:** ![system](https://global.discourse-cdn.com/free1/uploads/klipper/original/1X/64419bf2aac6639e6ef5cef200dcd456b0a01ac3.png) [@system](https://klipper.discourse.group/u/system)\
**Post date:** [April 4, 2025, 7:52am UTC](https://klipper.discourse.group/t/mainsaile-error/22337/4 "2025-04-04T07:52:52Z")

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