Handling high value DATE in SQL

Transact-SQL
1

I am getting a -181 while checking the SQLCODE to high values

when sqlCode = SQL_SUCCESSFUL;
if accExpDt >= currentDate
process
else
Account invalid

Account expiry date is 9999-12-31 (which is high value ) getting an error -181

Handling this exception for high values is appreciated.

2

What data type is accExpDt

Is this microsoft sql server product?

Please provode some more context.
Isnthis as400, db2, making call from java, what version etc

3

This is as400 making call from .net.

4

This is microsoft sql server forum but there might be someone that knows the answer. There are a lot of answers on google for this also.