Getting Error Intermittently while retrieving data from DB

Hello, Has anyone faced following error? Any inputs to deal with this error?

I am getting this error whenever I am trying to access any reports with queryEntity rule in it's definition:

[Appian Timer - 2] DEBUG org.hibernate.util.JDBCExceptionReporter - could not execute query [select count(*) as y0_ from site this_ inner join site_page p2_ on this_.id=p2_.site_id left outer join site_rm rolemapent5_ on this_.id=rolemapent5_.site_id left outer join rm_entry rolemap1_ on rolemapent5_.rm_entry_id=rolemap1_.id where p2_.visibility=?]
com.microsoft.sqlserver.jdbc.SQLServerException: The data types ntext and nvarchar(max) are incompatible in the equal to operator.
          at com.microsoft.sqlserver.jdbc.SQLServerException.makeFromDatabaseError(SQLServerException.java:216)
          at com.microsoft.sqlserver.jdbc.SQLServerStatement.getNextResult(SQLServerStatement.java:1515...

OriginalPostID-236017