Due to a problem in the Intel® Quartus® Prime Pro edition software version 18.1 Update 2 and 19.1, when performing partial reconfiguration operations, one after another, you may find occasional failures. The unsuccessful partial reconfiguration operations will assert the PR_ERROR signal.
Device Family: Intel® Stratix® 10
Intel Software: Quartus Prime Pro
Version Found: v18.1 Update 2
Version Fixed: v19.2
Bug ID: 1409255367 / 1409298174