Error: Quartus II 64-Bit TimeQuest Timing Analyzer was unsuccessful - Error: Quartus II 64-Bit TimeQuest Timing Analyzer was unsuccessful Description You may see this error in Quartus II software if you source <variation_name>_pin_assignments.tcl file when implementing UniPHY based IP in your system if your design has partitions. Resolution To get around the error message run analysis & Synthesis (Processing -> Start Analysis & Synthesis) and partition merge (Processing -> Start Partition merge) before sourcing the tcl file. Custom Fields values: ['novalue'] Troubleshooting novalue False ['novalue'] ['novalue'] novalue novalue ['Stratix® V GX FPGA'] ['novalue'] ['novalue'] ['novalue']