Help with “Execute failed: (“AbstractMethodError”): null”

Hello KNIME Team,

I am using knime for an ETL process and I am having trouble updating an existing MS SQL table with data from knime. The error occurs when I use DB Writer node. The data in the SQL table is in the nvarchar data type format and KNIME is not allowing me to write to an existing table in that format. The error I am getting is:
“Execute failed: (“AbstractMethodError”): null”.

If anyone can help me find a work around or how to fix this error that would be great.

Duplicate of Problem with Converting string to nvarchar into database