logging error in vhdl

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What is this item? is it memory, a variable, a signal, etc.? If you could give some more information on this message such as when it occurs and in which program it will make helping you a lot easier.

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error is:-

Logging is not supported for this item: /camera/image

and in my test bench:-

GENERIC( fi_n: STRING :="hexi.dat" ; -- Input hex file name

tclk: TIME:= 100ns -- Clock speed

);

FILE image: TEXT OPEN read_mode IS fi_n;

what could be the possible cause ??