[MapProxy] ERROR - SRS of cache and tile source do not match: SRS('EPSG:900913') != SRS('EPSG:4326')

[G. Allegri]

I'm obtaining the error in the subject when I access my_layer via WMS
service. In the configuration I've set the grid to GLOBAL_GEODETIC and I
thought it was enough to define the grid SRS. What am I doing wrong?

#############################
layers:
  - name: my_layer
    title: M layer
    sources: [my_cache]

caches:
  my_cache:
    grids: [geodetic]
    sources: [my_source]

sources:
  my_source:
    type: tile
      # use of this source is only permitted for testing
    url: my_url

grids:
    geodetic:
        base: GLOBAL_GEODETIC
##############################

giovanni

-- 
Giovanni Allegri
http://about.me/giovanniallegri
blog: http://blog.spaziogis.it
GEO+ geomatica in Italia http://bit.ly/GEOplus
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