if not exists(select 1 from syscolumns where id = object_id('EST_NF_ENT_DANFE_PROVISORIO_ERROS_VALIDACAO') and name = 'VERSAO_APLIC')
begin
ALTER TABLE dbo.EST_NF_ENT_DANFE_PROVISORIO_ERROS_VALIDACAO ADD
	VERSAO_APLIC varchar(150) NULL
end