（多选题）确认无效的合同，当事人应当承担的法律责任是（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='26601' and id < 2215798 and id<>'2215798' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='26601' and id > 2215798 and id<>'2215798' order by id asc limit 5