http://www.epo.org/service-support/availability-of-online-services/2019/20190426.html
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Problems with Online Filing
We are experiencing unexpected behaviour of the Online
Filing software. In order to avoid any impact on user operations and data,
users are asked to check carefully the acknowledgment of receipt and inform the
EPO Customer Services immediately in case of any irregularities.
A software patch fixing the issue (epptch5464) has been
prepared and is available for download.
We apologise for any inconvenience.