显示Oops!!!非常抱歉出错

请问如何解决呢 java.lang.NullPointerException at com.fr.report.cell.cellattr.core.group.CustomGrouper.initOtherObjectRowIndex(CustomGrouper.java:150) at com.fr.report.cell.cellattr.core.group.CustomGrouper.doGroup(CustomGrouper.java:124) at com.fr.report.cell.cellattr.core.group.RecordGrouper.group(RecordGrouper.java:56) at com.fr.report.cell.cellattr.core.group.DSColumn.dealwith_condition_group_sort_select_result(DSColumn.java:291) at com.fr.report.core.lkd.BW.molxJwixSWVLWjhrkm(Unknown Source) at com.fr.report.core.lkd.BW.dealWithBEDSColumn(Unknown Source) at com.fr.report.core.lkd.KW.cc_ce_array(Unknown Source) at com.fr.report.core.lkd.BW.lkwohzplhlWA(Unknown Source) at com.fr.report.core.lkd.BW.myNse(Unknown Source) at com.fr.report.core.lkd.BW.myNmyqjbrlxWwefZhbkdnu(Unknown Source)