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model sim simulation warning??

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sns22

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# ** Warning: There is an 'U'|'X'|'W'|'Z'|'-' in an arithmetic operand, the result will be 'X'(es).
# Time: 0 ps Iteration: 1 Instance: /tb_rx/uut
# ** Warning: There is an 'U'|'X'|'W'|'Z'|'-' in an arithmetic operand, the result will be 'X'(es).
# Time: 0 ps Iteration: 1 Instance: /tb_rx/uut
# ** Warning: There is an 'U'|'X'|'W'|'Z'|'-' in an arithmetic operand, the result will be 'X'(es).
# Time: 0 ps Iteration: 1 Instance: /tb_rx/uut

model sim simulation warning

can any1 help me with this?
 

Hi,

This warning at "0 ps" is due to signals not initialized at this time.

You can remove it by initializing all signals at declaration, or by masking it (check this link : **broken link removed**)

Yours,
 

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