You may see this error in the Quartus® Prime Pro software if your Stratix® 10 design uses more than 2 output enables (OE) for a 3V IO bank. Each 3V IO bank in a Stratix 10 device has 8 single ended IOs and a maximum of 2 OEs.
Device Family: Intel® Stratix® 10
Intel Software: Quartus Prime Pro
Last Modified: July 10, 2017
Version Found: v17.0
Bug ID: FB: 475031;
Use no more than 2 OEs for IOs assigned to a 3V IO bank in Stratix 10 devices.