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Offline Map: Unsupported spatial reference: 4326

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05-16-2025 06:13 AM
dwold
by
Frequent Contributor

I linked a map to use for offline instances, and see this error:

dwold_0-1747401078269.png

Some documents say to make sure the map is in WGS 1984 Web Mercator (auxiliary sphere), which this is. 

Anyone else come across this?

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DanPatterson
MVP Esteemed Contributor

EPSG Geodetic Parameter Dataset - Wikipedia

EPSG:4326 is a datum for the geographic coordinate system

EPSG:3857 is the web mercator projection of 4326 data


... sort of retired...

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DanPatterson
MVP Esteemed Contributor

EPSG Geodetic Parameter Dataset - Wikipedia

EPSG:4326 is a datum for the geographic coordinate system

EPSG:3857 is the web mercator projection of 4326 data


... sort of retired...
GlenterpriseUK
Esri Contributor

Hi @dwold,

Adding to what Dan said above, please consult the online documentation:

https://doc.arcgis.com/en/survey123/desktop/create-surveys/preparebasemaps.htm#:~:text=Survey123%20s...

If you are using any type of packages, check that the data is in the same Web Mercator Auxiliary Sphere projection

Regards,

Glen

NoeliaVolpe
Occasional Contributor

Were you actually able to solve this? I am getting the same error message despite my map being WGS 1984 Web Mercator (auxiliary sphere) as well. 

 

 

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