/ operand can not have such operands in this context

OP (Company: Student) #2771535
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I am using the following libraries
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library IEEE;
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use IEEE.STD_LOGIC_1164.all;
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use ieee.numeric_std.all;
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library ieee_proposed;
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use ieee_proposed.fixed_float_types.all;
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use ieee_proposed.fixed_pkg.all;
I get this error"/ cannot have such operands in this context" at line 
where variable c is assigned in the following code when i checked the 
syntax
I have got this error at all places where the / operator is used in 
fixed point operations.
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type comp is 
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  record
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    Rel :sfixed(7 downto -6);
4
    Img :sfixed(7 downto -6);
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  end record;
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function complexdiv(seven :comp; h :sfixed(7 downto -6)) return comp is
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variable result5 :comp;
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variable a,b,c,d :sfixed(14 downto -13) ;
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begin
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  c :=seven.Rel / h;
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  --result5.Rel := resize(d,result5.Rel) ;
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  --result5.Img := resize(seven.Img/h,result5.Img) ;
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return result5;
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end complexdiv;

What might be the problem??

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