Revision 4315 of base_exterenal_referentials needs an SQL command to migrate existing data. The text in this revision is: [REF] base_external_referentials WARNING!!! This a a change that need an SQL command to migrate your existing data!! We are now making the external_referential_id key of ir_model_data be a computed field based on the the module name: it should now be "extref.ref_name". In that case the matching external referential is searched with name=ref_name. So you must update your ir_model_data to module name to that new pattern for all synch'ed entities having an external_referential_id!! This change was meant to avoid issues with similar ext_ref in different referentials (existing ir_model_data unicity contraint) and also to be more compatible with the way OpenERP import/export data with their ir_model_data.
I do not get this exactly. Can someone post an example or the SQL command to execute?
In the table ir_model_data where external_referential_id has a value (those value is 1 everywhere) and module has the value
base_external_referentials_keep. the model field field has values like sale.oder, res.partner, res.partner.address, product.product etc..