What is the name of the file or module in the code that contains the instruction D230=1?

Is the instruction correctly formatted and located in the correct context?

Should the instruction be replaced or corrected? If so, what value should be used in place of D230=
It appears that M142-CCD and D230 are related to a photo request signal under a PLC. The error message suggests that the PLC is not able to read the signal properly and times out. Without more specific