同事传过来一个存储过程和一个异常信息，让帮忙查找原因
异常信息：
com.microsoft.sqlserver.jdbc.SQLServerException: 服务器无法继续执行该事务。说明: bc00000002。 at com.microsoft.sqlserver.jdbc.SQLServerException.makeFromDatabaseError(Unknown Source) at com.microsoft.sqlserver.jdbc.TDSTokenHandler.onEOF(Unknown Source) at com.microsoft.sqlserver.jdbc.TDSParser.parse(Unknown Source) at com.microsoft.sqlserver.jdbc.TDSParser.parse(Unknown Source) at com.microsoft.sqlserver.jdbc.SQLServerConnection$1ConnectionCommand.doExecute(Unknown Source) at com.microsoft.sqlserver.jdbc.TDSCommand.execute(Unknown Source) at com.microsoft.sqlserver.jdbc.SQLServerConnection.executeCommand(Unknown Source) at com.microsoft.sqlserver.jdbc.SQLServerConnection.connectionCommand(Unknown Source) at com.microsoft.sqlserver.jdbc.SQLServerConnection.rollback(Unknown Source) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at com.ibatis.common.jdbc.SimpleDataSource$SimplePooledConnection.invoke(SimpleDataSource.java:958) at $Proxy0.rollback(Unknown Source) at com.ibatis.sqlmap.engine.transaction.jdbc.JdbcTransaction.rollback(JdbcTransaction.java:72) at com.ibatis.sqlmap.engine.transaction.TransactionManager.end(TransactionManager.java:105) at com.ibatis.sqlmap.engine.impl.SqlMapExecutorDelegate.endTransaction(SqlMapExecutorDelegate.java:782) at com.ibatis.sqlmap.engine.impl.SqlMapSessionImpl.endTransaction(SqlMapSessionImpl.java:176) at com.ibatis.sqlmap.engine.impl.SqlMapClientImpl.endTransaction(SqlMapClientImpl.java:154) at com.ibatis.sqlmap.engine.impl.SqlMapExecutorDelegate.autoEndTransaction(SqlMapExecutorDelegate.java:883) at com.ibatis.sqlmap.engine.impl.SqlMapExecutorDelegate.update(SqlMapExecutorDelegate.java:512) at com.ibatis.sqlmap.engine.impl.SqlMapSessionImpl.update(SqlMapSessionImpl.java:90) at com.ibatis.sqlmap.engine.impl.SqlMapSessionImpl.update(SqlMapSessionImpl.java:94) at com.ibatis.sqlmap.engine.impl.SqlMapClientImpl.update(SqlMapClientImpl.java:71) at com.cdel.advc.dao.QuestionStatDao.statUser(QuestionStatDao.java:53) at com.cdel.advc.manager.StatQuestionManager.stat(StatQuestionManager.java:36) at com.cdel.advc.ReportServer.run(ReportServer.java:36) at com.cdel.advc.ReportServer.main(ReportServer.java:62) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.eclipse.jdt.internal.jarinjarloader.JarRsrcLoader.main(JarRsrcLoader.java:58)