Internal Error: Sub-system: QPR, File: /quartus/comp/qpr/qpr_route_mask_generator_details.h, Line: 594 - Internal Error: Sub-system: QPR, File: /quartus/comp/qpr/qpr_route_mask_generator_details.h, Line: 594 Description Due to a problem in Quartus® Prime Pro Edition Software versions 25.1 and 25.1.1, you might see this internal error at the fitter stage when compiling a Partial Reconfiguration (PR) implementation that uses a global reset on fast input/output registers. The base revision compiles successfully, the error occurs only in PR implementations with this global reset usage. Resolution To work around this problem in the Quartus® Prime Pro Edition Software v25.1.1 or v25.1, download and install the patches below. This problem is fixed beginning with the Quartus® Prime Pro Edition Software version 25.3.1. Custom Fields values: ['novalue'] Troubleshooting 15018487488 novalue ['novalue'] ['FPGA Dev Tools Quartus® Prime Software Pro'] 25.3.1 25.1 ['Agilex™ 3 FPGAs and SoCs', 'Agilex™ 5 FPGAs and SoCs', 'Agilex™ 7 FPGAs and SoCs', 'Agilex™ 9 FPGAs and SoCs', 'Arria® 10 FPGAs and SoCs', 'Cyclone® 10 GX FPGA', 'Stratix® 10 FPGAs and SoCs'] ['novalue'] ['novalue'] ['novalue']