Sophos Central Advisory: January 25th, 2021 - Enterprise or Partner Central Administrators may see 'An error occurred' pop up error when navigating to a customer's Logs & Reports page. This error is triggered from the top 'Scheduled Reports' section only. All other areas within the Logs & Reports page are functional.
Please visit the KBA for the latest information and workaround: https://support.sophos.com/support/s/article/KB-000040968?language=en_US&c__displayLanguage=en_US
[Update] - 28/01/2020
Sophos Engineering is expecting to have an update on this issue by March 6th.