Hologres这个报错具体是什么意思？

traceId:a516289e-418c-4fde-985c-71fab7002186;
errMsg:数据源执行SQL失败:INTERNAL: java.lang.RuntimeException: SQL execute error by datasource... org.postgresql.util.PSQLException: ERROR: status { code: SERVER_INTERNAL_ERROR message: "[readFloatText.h:619 readDigits] HGERR_code 22P02 HGERR_msge invalid input syntax for type numeric: \"\346\263\250\345\206\214\345\245\226\345\212\261\" HGERR_end[query_id:10074955579069423]" err_data { filename: "readFloatText.h" lineno: 619 funcname: "readDigits" sqlerrcode: 33685634 message: "invalid input syntax for type numeric: \"\346\263\250\345\206\214\345\245\226\345\212\261\"" context: "[query_id:10074955579069423]" } } 在位置：[query_id:10074955579069423] org.postgresql.core.v3.QueryExecutorImpl.receiveErrorResponse(QueryExecutorImpl.java:2532) org.postgresql.core.v3.QueryExecutorImpl.processResults(QueryExecutorImpl.java:2267) org.postgresql.core.v3.QueryExecutorImpl.execute(QueryExecutorImpl.java:312) org.postgresql.jdbc.PgStatement.executeInternal(PgStatement.java:448) org.postgresql.jdbc.PgStatement.execute(PgStatement.java...
Hologres这个报错具体是什么意思，定位到是一个聚合函数导致的，但不知道如何修改才是正确的，函数如下：
stringagg(DISTINCT CASE
WHEN t.type = 10 THEN '注册奖励'
WHEN t.type = 20 THEN '首单奖励'
WHEN t.type = 30 THEN '消费返利'
WHEN t.type = 40 THEN '排行奖励'
WHEN t.type = 50 THEN '曝光奖励'
WHEN t.type = 60 THEN '订单返利'
ELSE '其他'
END, '') AS type