Play - oracle 10g：PersistenceException：ERROR执行DML bindLog []错误[ORA-00001：唯一键约束违规（PLAY.PK_COMPANY）\ n

I'm trying to use oracle 10g and ebeans for the "computer database" sample application of plesk. But when I try to insert a new computer on the database, I get this error :I'm trying to use oracle 10g and ebeans for the