PayPal has announced scheduled maintenance for the evening of 27Oct2011 involving 3 minutes of planned downtime sometime between 11pm-midnight, affecting PayPal APIs used for Website Payments Pro, Payflow Pro, and PayPal for Digital Goods checkout flow (note that Website Payments Standard should remain UNaffected).
https://www.x.com/content/reminder-planned-downtime-during-oct-27-maintenance-pp-live-2374
Planned Downtime During Oct 27 Maintenance - PP-LIVE-2374
Submitted by PayPal_Updates on Wed, 10/19/2011 - 22:02
NOTIFICATION: This maintenance includes a 3 minute PLANNED DOWNTIME between 11:00 PM PDT (October 28, 6:00 AM GMT) and 11:05 PM PDT (October 28, 6:05 AM GMT). During these 3 minutes merchants making PayPal API requests may encounter error code 10001 (Internal Error).
Sent Oct 19, 8:09 PM PDT by MC
Maintenance start time: Oct 27, 11:00 PM PDT (Oct 28, 6:00 AM GMT)
Maintenance end time: Oct 28, 12:00 AM PDT (Oct 28, 7:00 AM GMT)
The following services will be down during this time:
PayPal APIs
Website Payments Pro Payflow Edition.