日期 '' 无法识别（雪花）

Question

我正在尝试在雪花中运行此查询，但出现此错误（无法识别日期 ''）。我不确定它指的是哪个日期列或为什么会发生此错误。有什么想法吗？谢谢。

set Reference_Org_Var = 'HII_VITAL_PRO';
set Load_Date_Var = current_date();

insert into PREMIUM_DB(Plan_Code, Member_ID, Plan_Type,
                       Policy_Holder_Name, Member_Policy_Effective_Date,
                       Member_Policy_Expiration_Date, New_Renew_Date, Coverage_Type,
                       Premium_Period_Begin_Date, Premium_Period_End_Date, Payment_Mode, Single_Rate,
                       Number_of_Single_Lives, Single_Plus_Rate, Number_of_Single_Lives_Plus,
                       Family_Rate, Number_of_Family_Lives, Gross_Premium, Commissions,
                       Re_Solutions_1_Percent, Remittance_Amount, TPA_Fee, Premium_Tax, Carrier_Fee,
                       Admin_Fee, Association_Fee, Net_Premium, Claims_Fund, Gender, Age_at_Issue,
                       Zip, Statement_Date, Writing_Agent_Code, Writing_Agent_Name,
                       Application_Create_Date, Transaction_Date, Association_State, TPA, Issue_State,
                       Resident_State, Agent_NPN_Number, Report_Date, FileRecdDate, Reference_Org, LoadDt)

select
    Plan_Code,
    Member_ID,
    Plan_Type,
    Policy_Holder_Name,
    Member_Policy_Effective_Date,
    Member_Policy_Expiration_Date,
    New_Renew_Date,
    Coverage_Type,
    Premium_Period_Begin_Date,
    Premium_Period_End_Date,
    Payment_Mode,
    Single_Rate,
    Number_of_Single_Lives,
    Single_Plus_Rate,
    Number_of_Single_Lives_Plus,
    Family_Rate,
    Number_of_Family_Lives,
    Gross_Premium,
    Commissions,
    Re_Solutions,
    Remittance_Amount,
    TPA_Fee,
    Premium_Tax,
    Carrier_Fee,
    Admin_Fee,
    Association_Fee,
    Net_Premium,
    Claims_Fund,
    Gender,
    Age_at_Issue,
    Zip,
    Statement_Date,
    Writing_Agent_Code,
    Writing_Agent_Name,
    Application_CreateDate,
    Transaction_Date,
    Association_State,
    TPA,
    Issue_State,
    Resident_State,
    Agent_NIPR_Number,
    Report_Date,
    FileRecdDate,
    $Reference_Org_Var,
    $Load_Date_Var
from HII_VITAL_PRO_PREM;