ID:18626 Assembler cannot use a netlist that has been imported using timing_analysis_mode. Recompile the design before running the Assembler (quartus_asm)

CAUSE: You ran the Assembler. However, the netlist had been generated from importing version compatible database using timing_analysis_mode. This mode had skipped important netlist checks.

ACTION: Successfully compile the design using current version of Quartus before running the Assembler.