ID:188009 Rapid Recompile is attempting to use the previous placement information to reduce compilation time.

CAUSE: Rapid Recompile is attempting to use the previous placement information to reduce compilation time and to preserve timing results.

ACTION: No action is required. If you experience timing closure difficulty, try disabling Rapid Recompile, or delete the Rapid Recompile database. To delete the Rapid Recompile database, run the delete_rapid_recompile_database Tcl command, included in the ::quartus::rapid_recompile Tcl package.