ConversionTaskEventHandler - InvokeStandardConverter fails always

Hi,

After conversion task is created, below method will fail always

InvokeStandardConverter - OnConvert eventtype on TaskEventHandler always fails with below error

Aras.ConversionFramework.Exceptions.ItemErrorException: Value cannot be null. (Parameter 'methodType')

Kindly suggest how to fix this issue. Other methods attached under TaskEventHandler are executed and status is Succeeded.

Thanks