Assume we are training the NLU Model and we want to use a word starting with a capital letter. In this case, Payslip or Payslips.
As the images show, this will not be recognized. Note that payslips in lowercase works fine.
Release or Environment
New York +
This issue with Payslip and payslip has to do with how Vocabulary is added to the model. These are unknown words and that is why the error is being thrown.
A way to handle these errors is to have a pattern vocabulary with case insensitive regex when adding a synonym.
The expression for case insensitive is "(?i)". For the given example, this would become (?i)payslip