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Help with mapping set - Hibernate

 
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I'm having problems writing a part of a mapping. First of all, I have these mappings:


I'm trying to put into the second mapping (auge.bean.OrdemItens) a set of the first one. I've tried it this way:



But I get an error saying: Foreign key (FKC24B75B6576D388F:MPPRODUCAO [numeroOrdemItens,materia])) must have same number of columns as the referenced primary key (ORDEMITENS [numeroOrdemItens])


What's wrong? Thanks for the help
 
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