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Guild: wafer.space Community
Channel: ℹ️ - Information / ⁉️-questions / How to retrieve run error message from plateform.wafer.space?
After: 2025-11-30 11:59 p.m.
Before: 2026-01-01 12:00 a.m.
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[2025-12-03 2:27 p.m.] scafir
Seems like my design is failing some checks on the online plateform (or the plateform itself is failing) with 
Processing Logs
```
=== SYSTEM ERROR - See error_message field ===

RETRY #1: Automatic retry after error

=== SYSTEM ERROR - See error_message field ===

RETRY #2: Automatic retry after error

=== SYSTEM ERROR - See error_message field ===

RETRY #3: Automatic retry after error

=== SYSTEM ERROR - See error_message field ===
```
Is there a way to get more  information? I do not see what the "error_message field" refers to


[2025-12-03 2:31 p.m.] mithro_
@Clyde Laforge - SYSTEM ERROR means the precheck failed to run correctly.


[2025-12-03 2:32 p.m.] mithro_
Well, looks like I broke the prechecks.....


[2025-12-03 2:32 p.m.] mithro_
```
column shuttles_shuttle.max_slots does not exist
LINE 1: ...ttle"."description", "shuttles_shuttle"."status", "shuttles_...
```


[2025-12-03 2:32 p.m.] mole99
For now you can run the same precheck locally: https://github.com/wafer-space/gf180mcu-precheck

{Embed}
https://github.com/wafer-space/gf180mcu-precheck
GitHub - wafer-space/gf180mcu-precheck: Precheck for wafer.space MP...
Precheck for wafer.space MPW runs using the gf180mcu PDK  - GitHub - wafer-space/gf180mcu-precheck: Precheck for wafer.space MPW runs using the gf180mcu PDK
2025-12_media/gf180mcu-precheck-B88AF


[2025-12-03 2:33 p.m.] scafir
Yes! nix-shell currently compiling 🙂

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👍

[2025-12-03 2:33 p.m.] mithro_
I just need to restart the task worker so it picks up the db structure change.


[2025-12-03 2:34 p.m.] scafir
Thank you for looking into this @Tim 'mithro' Ansell


[2025-12-03 2:37 p.m.] mithro_
@Leo Moser (mole99) - Now it's one for you I think


[2025-12-03 2:38 p.m.] mole99
Yes


[2025-12-03 2:39 p.m.] mole99
```
assert id_cell.bbox() == qrcode_cell.bbox()
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
AssertionError
```


[2025-12-03 2:39 p.m.] mole99
@Clyde Laforge Did you place [this QR code instance](https://github.com/wafer-space/gf180mcu-project-template/tree/main/ip/gf180mcu_ws_ip__id)?


[2025-12-03 2:40 p.m.] mole99
It seems the bounding box is not as expected.


[2025-12-03 2:41 p.m.] scafir
I reused the one that originally came from the pad ring from a couple weeks ago, but maybe there was some update to it?


[2025-12-03 2:46 p.m.] scafir
Checked and my design seems correct and up to date, with a valid `gf180mcu_ws_ip__id` cell at 0,0.


[2025-12-03 2:48 p.m.] mole99
Is the instance directly after the top cell in the hierarchy?


[2025-12-03 2:49 p.m.] mole99
Can you confirm the size of the boundary layer is 142.8, 142.8?


[2025-12-03 2:49 p.m.] mole99
What is your ID?


[2025-12-03 2:50 p.m.] scafir
Yes


[2025-12-03 2:50 p.m.] scafir
TRID


[2025-12-03 2:51 p.m.] scafir
Yes


[2025-12-03 2:52 p.m.] mole99
Can you provide me a link to your layout? :)


[2025-12-03 2:52 p.m.] mole99
(Can also be in private.)


[2025-12-03 2:53 p.m.] scafir
No, it's fine, it's source available (hopefully with a proper open source license soon ^^'): https://github.com/Scafir/gf180mcu-project-trident-gf180-teststructure/blob/3f02c0f9c702dd272a04e1c97542253af30421cf/klayout/top.layout.filled.gds.gz

{Embed}
https://github.com/Scafir/gf180mcu-project-trident-gf180-teststructure/blob/3f02c0f9c702dd272a04e1c97542253af30421cf/klayout/top.layout.filled.gds.gz
gf180mcu-project-trident-gf180-teststructure/klayout/top.layout.fil...
Project template for wafer.space MPW runs using the gf180mcu PDK - Scafir/gf180mcu-project-trident-gf180-teststructure

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[2025-12-03 3:04 p.m.] mole99
I can trigger the same issue. Will look for a solution.


[2025-12-03 3:13 p.m.] mole99
Your database unit (dbu) of the layout is 0.05um. The dbu must be 0.001um and all geometry must be on-grid 0.05um.


[2025-12-03 3:14 p.m.] mole99
You should be able to easily scale your whole layout :)


[2025-12-03 3:14 p.m.] mole99
(And I can add a new check to the precheck)


[2025-12-03 3:17 p.m.] mole99
```
[16:17:19] ERROR    Subprocess had a non-zero exit.step.py:1383
[16:17:19] ERROR    Last 1 line(s):step.py:1388
                    [Error]: Database unit (dbu) is not 0.001um.
```

Now that's a better error ;)


[2025-12-03 3:27 p.m.] scafir
Very nice, thank you!

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