Error (170084): Can't route signal "" to atom "" - Error (170084): Can't route signal "" to atom "" Description Due to a problem in the Quartus® II software version 12.0 and later, you may see above Fitter error when compiling a partial reconfiguration (PR) design if a HSSI refclk pin directly connects to a PR region. Resolution To work around this problem, insert an alt_clkctl module between the HSSI refclk pin and the PR region. This problem is scheduled to be fixed in a future release of the Quartus II software. Custom Fields values: ['novalue'] Troubleshooting novalue False ['novalue'] ['FPGA Dev Tools Quartus II Software'] novalue 12.0 ['Programmable Logic Devices'] ['novalue'] ['novalue'] ['novalue']