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error in post place and route simulation

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sarmad88

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help me please
my project in VHDL code use the Fixed point package by David Bishop and i use the spartan3E board and when make post place and route simulation the below error occur:

ERROR:HDLCompiler:1316 - "G:/project/VHDL/final_with_PAR-simulation/netgen/par/main_timesim.vhd" Line 28014: Index value <-16> is out of range [0:2147483647] of array <std_logic_vector>
ERROR:Simulator:777 - Static elaboration of top level VHDL design unit main in library work failed

and this error occur in the line :
signal operation_comp_sum30 : STD_LOGIC_VECTOR ( 13 downto -16 );

and i d'not know how can solve this error please any one help me to solve this error
 

help me please
my project in VHDL code use the Fixed point package by David Bishop and i use the spartan3E board and when make post place and route simulation the below error occur:

ERROR:HDLCompiler:1316 - "G:/project/VHDL/final_with_PAR-simulation/netgen/par/main_timesim.vhd" Line 28014: Index value <-16> is out of range [0:2147483647] of array <std_logic_vector>
ERROR:Simulator:777 - Static elaboration of top level VHDL design unit main in library work failed

and this error occur in the line :
signal operation_comp_sum30 : STD_LOGIC_VECTOR ( 13 downto -16 );

and i d'not know how can solve this error please any one help me to solve this error

Hi,

Modify the line as below in main_timesim.vhd

signal operation_comp_sum30 : STD_LOGIC_VECTOR ( 13 downto -16 );

to

signal operation_comp_sum30 : STD_LOGIC_VECTOR1 ( 13 downto -16 );

Thanks.
 

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