confusion on sepal
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afex dem
Apr 30, 2025, 9:26:46 AMApr 30
to Sepal Users
Dear SEPAL user,
Is SEPAL working? It hasn’t been working since around April 1st. It displays an error message saying, “Failed to load layer.” What does this mean?
Daniel Guerrero
Apr 30, 2025, 10:40:38 AMApr 30
to Sepal Users
Hello,
It looks like the Google Earth Engine (GEE) account you’ve linked to SEPAL doesn’t have permission to read the asset "projects/ee-afexdem/assets/Western".
To verify this, please try the following:
Confirm the asset exists: Go to the GEE Code Editor (https://code.earthengine.google.com/), log in with the account that should own or share the asset and just paste this: print(ee.Image('projects/ee-afexdem/assets/Western'));
If you get an error, the asset may have been deleted, renamed or moved.
Re-authenticate your SEPAL connection: In SEPAL, click your username (bottom-right) → Google account → Disconnect.
Then click Connect Google account again, and be sure to choose the same GEE login that owns or has been granted access to the asset.
Request or grant access: If the asset belongs to someone else, ask its owner to share it with you. They can do this in the GEE Code Editor under Assets → Sharing, granting you “Viewer” or “Owner” rights.
Once they’ve shared it, repeat step 2 to refresh your permissions in SEPAL.
Let me know if you still see an error after trying these.
Best,
Daniel
It looks like the Google Earth Engine (GEE) account you’ve linked to SEPAL doesn’t have permission to read the asset "projects/ee-afexdem/assets/Western".
To verify this, please try the following:
Confirm the asset exists: Go to the GEE Code Editor (https://code.earthengine.google.com/), log in with the account that should own or share the asset and just paste this: print(ee.Image('projects/ee-afexdem/assets/Western'));
If you get an error, the asset may have been deleted, renamed or moved.
Re-authenticate your SEPAL connection: In SEPAL, click your username (bottom-right) → Google account → Disconnect.
Then click Connect Google account again, and be sure to choose the same GEE login that owns or has been granted access to the asset.
Request or grant access: If the asset belongs to someone else, ask its owner to share it with you. They can do this in the GEE Code Editor under Assets → Sharing, granting you “Viewer” or “Owner” rights.
Once they’ve shared it, repeat step 2 to refresh your permissions in SEPAL.
Let me know if you still see an error after trying these.
Best,
Daniel
Daniel Guerrero
Apr 30, 2025, 10:46:26 AMApr 30
to Sepal Users
Actually, the asset that you shared, seems to be a FeatureCollection, you can print it in GEE print(ee.FeatureCollection('projects/ee-afexdem/assets/Western')), or just run this link https://code.earthengine.google.com/8609a07a9f041c0ce99a3123e4efad7b.
Angebouramanding Diedhiou
Apr 30, 2025, 2:03:57 PMApr 30
to Daniel Guerrero, Sepal Users
hi I am looking for sepal tutorial materials
Ange Bouramanding DIEDHIOU
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Erik Lindquist
Apr 30, 2025, 3:46:45 PMApr 30
to Sepal Users
Dear Ange
docs.sepal.io is a link to our documentation. There are also some step-by-step guides here.
https://www.fao.org/in-action/sepal/certified-course/en provides a link to an online course you can take...also in French if you prefer.
These are the best places to start. Let us know if you would like additional suggestions.
Best
Erik
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