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Sorry, I don't have any sample code.

Not without seeing the code.
Can you post a small, complete program that compiles, executes and shows the problem?


Can you explain in more detail what the code does and what you want it to do?...

There was a variable with a null value on line 51 when it was executed. Look at line 51, find the variable with the null value and then backtrack in the code to see why that variable does not have a...