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Support Article

Test connectivity fails with unsupported type nvarchar



When testing connectivity to an external table that has a property that maps to column with data type nvarchar, the following message displays on screen.

Error Messages

Class your_class is mapped to table your_schema.your_table in database your_database, which has column your_nvarchar_column of unsupported type nvarchar 

Steps to Reproduce

There is no specific use case to replicate this behavior.

Root Cause

A defect in Pegasystems’ code or rules. Datatype nvarchar and nchar should be supported types.


Apply HFix-24906.

Published January 31, 2016 - Updated October 8, 2020

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