array of ascii

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Hello everyone

I have a question about the following piece of code

IEEE.STD_LOGIC_UNSIGNED.ALL
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ARCHITECTURE FSMD OF lcd_driver IS
  SUBTYPE ascii IS STD_LOGIC_VECTOR(7 DOWNTO 0);
  TYPE charArray IS array(1 to 6) OF ascii;
  SHARED VARIABLE line1: charArray := (x"31",x"32",x"33",x"34",x"35",x"36");
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BEGIN

When i try to change on of the values in line1 array by using: line1(1) := x"20"; i get an error

Enybody know what i did wrong ?

Thanks in advance

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Shared variables are tricky/risky.

You may achieve the same by moving the instantiation of 'line1' as a (normal) variable inside the process where you are using it.

If we could see more of your code, we could give better help.