Netlist Error

I am getting this error while creating netlist for allegro PCB Editor.

1 Error [ALG0065] Illegal character in \itgate-twin(111101)\.
#2 Error [ALG0065] Illegal character in \itgate-twin(111101)\.
#3 Error [ALG0065] Illegal character in \itgate-twin(111101)\.
#4 Error [ALG0065] Illegal character in \itgate-twin(111101)\.
#5 Error [ALG0065] Illegal character in \itgate-twin(111101)\.
#6 Error [ALG0065] Illegal character in \itgate-twin(111101)\.
#7 Error [ALG0065] Illegal character in \itgate-twin(111101)\.
#8 Error [ALG0065] Illegal character in \uh-04(8)13l_sub_140206\.

what will do...sir... i am checking Ilegal character like (),: @....in Design name,property name...etc,but still error...

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