# Unknown Error {Unhandled exception during run}

**URL:** <https://klipper.discourse.group/t/unknown-error-unhandled-exception-during-run/19879>\
**Category:** General Discussion\
**Created:** [November 5, 2024, 7:12am UTC](https://klipper.discourse.group/t/unknown-error-unhandled-exception-during-run/19879 "2024-11-05T07:12:07Z")\
**Posts on this page:** 6\
**Page:** 1

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**Author:** ![yuzu](https://avatars.discourse-cdn.com/v4/letter/y/cc9497/32.png) [@yuzu](https://klipper.discourse.group/u/yuzu)\
**Post date:** [November 5, 2024, 7:12am UTC](https://klipper.discourse.group/t/unknown-error-unhandled-exception-during-run/19879/1 "2024-11-05T07:12:07Z")

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### Basic Information:

Printer Model: voron 2.4  
 MCU / Printerboard: octopus v1.1  
 Host / SBC klipper v0.12.0-348-geeb2678e  
 klippy.log  
[klippy (2).log](https://klipper.discourse.group/uploads/short-url/2d9QVC6YU1ISP0CHuCRBFj1CfNW.log) (236.0 KB)  
[printer (4).cfg](https://klipper.discourse.group/uploads/short-url/aAvGZOlCkoyLFeLJYpwPWcU0OI1.cfg) (21.7 KB)

I did a software update and all of a sudden I got an error.  
The logs show that an error occurred in ‘IDMProbe’.  
But I don’t know why, it was working fine before the update.  
Any help would be greatly appreciated!  
Thank you!

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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:** [November 5, 2024, 7:21am UTC](https://klipper.discourse.group/t/unknown-error-unhandled-exception-during-run/19879/2 "2024-11-05T07:21:09Z")

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Hello @yuzu !

Is this one meant to be your probe?

```auto
[idm]
serial = /dev/serial/by-id/usb-IDM_614e_03801B001543565537353020-if00
speed = 40.
lift_speed = 5.
backlash_comp = 0.5
x_offset = 0.
y_offset = 21.1
trigger_distance = 2.
trigger_dive_threshold = 1.5
trigger_hysteresis = 0.006
cal_nozzle_z = 0.1
cal_floor = 0.1
cal_ceil = 5.
cal_speed = 1.0
cal_move_speed = 10.
default_model_name = default
mesh_main_direction = x
mesh_cluster_size = 1
mesh_runs = 2

```

May not work, because Klipper does not recognize it as a probe:

It should be one of these:

[https://www.klipper3d.org/Config\_Reference.html?h=probe#bed-probing-hardware](https://www.klipper3d.org/Config_Reference.html?h=probe#bed-probing-hardware)

Also, Klipper is modified:

```auto
Git version: 'v0.12.0-348-geeb2678ec-dirty'

```

You should contact the author of the modification.

* * *

BTW: Have you read the section you deleted from the template?

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<div class="post-metadata">

**Author:** ![yuzu](https://avatars.discourse-cdn.com/v4/letter/y/cc9497/32.png) [@yuzu](https://klipper.discourse.group/u/yuzu)\
**Post date:** [November 6, 2024, 2:02am UTC](https://klipper.discourse.group/t/unknown-error-unhandled-exception-during-run/19879/4 "2024-11-06T02:02:20Z")

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[klippy (3).log](https://klipper.discourse.group/uploads/short-url/doTKFOTLtNoaVkz4lalXf4tWs6r.log) (228.2 KB)  
{Pin ‘’ is not a valid pin name on mcu ‘mcu’}  
mcu? i can’t tell from the logs what is causing this.

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**Author:** ![Sineos](https://yyz2.discourse-cdn.com/free1/user_avatar/klipper.discourse.group/sineos/32/18_2.png) [@Sineos](https://klipper.discourse.group/u/Sineos)\
**Post date:** [November 6, 2024, 6:20am UTC](https://klipper.discourse.group/t/unknown-error-unhandled-exception-during-run/19879/5 "2024-11-06T06:20:00Z")

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![grafik](https://global.discourse-cdn.com/free1/uploads/klipper/original/2X/5/5477ba12f38d03c1c5bf93f826b7d47fe1e11c1d.png)

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<div class="post-metadata">

**Author:** ![yuzu](https://avatars.discourse-cdn.com/v4/letter/y/cc9497/32.png) [@yuzu](https://klipper.discourse.group/u/yuzu)\
**Post date:** [November 6, 2024, 8:07am UTC](https://klipper.discourse.group/t/unknown-error-unhandled-exception-during-run/19879/6 "2024-11-06T08:07:30Z")

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Oh my god!!!  
I checked from a backup I had saved, and sure enough, it’s blank.  
I had changed it before, so I assume it was deleted when they were doing the reset.  
Thank you.

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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:** [January 5, 2025, 8:08am UTC](https://klipper.discourse.group/t/unknown-error-unhandled-exception-during-run/19879/7 "2025-01-05T08:08:18Z")

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