Added an error box to be display when file uploaded to Select File button has unexpected file extension.
Most importantly, the error handling maintains a steady state. If a file was previously being used, then that file will continue to be used. Error message is cleared whenever a stage is selected so that the error message does not disrupt the previously clean file workflow.
Added an error box to be display when file uploaded to Select File button has unexpected file extension.
Most importantly, the error handling maintains a steady state. If a file was previously being used, then that file will continue to be used. Error message is cleared whenever a stage is selected so that the error message does not disrupt the previously clean file workflow.