Error while running in quartus

Altera_Forum · ‎10-26-2017

Dear all,

Due to this line in my project I got errors

LEDR <= std_logic_vector(to_unsigned(result,10) );

this is my error in my project

Error (10029): Constant driver at lb.vhd(65)

Error (10028): Can't resolve multiple constant drivers for net "LEDR[8]" at lb.vhd(23)

Error (10028): Can't resolve multiple constant drivers for net "LEDR[7]" at lb.vhd(23)

Error (10028): Can't resolve multiple constant drivers for net "LEDR[6]" at lb.vhd(23)

Error (10028): Can't resolve multiple constant drivers for net "LEDR[5]" at lb.vhd(23)

Error (10028): Can't resolve multiple constant drivers for net "LEDR[4]" at lb.vhd(23)

Error (10028): Can't resolve multiple constant drivers for net "LEDR[3]" at lb.vhd(23)

Error (10028): Can't resolve multiple constant drivers for net "LEDR[2]" at lb.vhd(23)

Error (10028): Can't resolve multiple constant drivers for net "LEDR[1]" at lb.vhd(23)

Error (10028): Can't resolve multiple constant drivers for net "LEDR[0]" at lb.vhd(23)

Error (12153): Can't elaborate top-level user hierarchy

Error: Quartus Prime Analysis & Synthesis was unsuccessful. 12 errors, 2 warnings

Help me out please.

Thanks

Altera_Forum · ‎10-26-2017

This implies you have LEDR driven from multuiple places. Make sure it is not assigned elsewhere in another process, or in another stand alone line. (try looking at line 23 and 65)