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Error: The map projection for layer doesn't match the current map projection

Error Message

After using the Get Data For ArcPad wizard to export layers that are projected on-the-fly and opening the exported .apm file in ArcPad the following error message is displayed:

"The map projection for layer '<layer name>' doesn't match the current map projection."

Cause

ArcPad does not support projection on-the-fly. The exported .apm file contains the projection of the data frame in ArcMap, while the exported layers contain the projections of their source data.

Solution or Workaround

There are two options:

  • Use the appropriate Project Wizard in ArcToolbox to reproject each layer that is projected on-the-fly to match the data frame's projection. Then reload the reprojected layers into ArcMap.
  • In ArcMap, change the data frame's projection to match the projection of the layers that are projected on-the-fly.