Date: Monday 6/22/20 11:37 AM EDT.  ProSeries Support is reporting that "this error is under  investigation".

Recommend that You call ProSeries Support to Report  the Error to motivate them to devote resources to solving the problem.

For customer service and technical support,
please call 1-800-434-6818, Monday - Friday, 6:00 AM - 6:00 PM PT.

They will ask You for your Account Number. Current wait times 11AM Monday 6/22/20 are 30 minutes.

the Error: