It's possible to edit the *.export file using a text editor, replacing the existing CORE version information with the currently installed target version.
(In my case I have target version 1.20.60.0 installed.)
Since in this case the export file includes the device information, remember to import the resulting export file into the root node of the project.
@jacaré: It might be helpful to include only the Application in the export file:
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