cannot submit python, "ERROR while submitting: Error occurred while trying to copy TEXT or BYTE data."

[andy-ow]

Hi,
I try to submit a practice problem (Class Name : ShootingGame Method Name : findProbability)
In python. It compiles without errors, test cases passes.
When I hit submit, I get the following error:
"ERROR while submitting: Error occurred while trying to copy TEXT or BYTE data."