I was running my 2012 Sunsport 242 w/ 6L Indmar pretty hard wake surfing and then pulling tubes when I got the following diagnostic message:

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(in case the picture doesn't load, it's DTC:175 Adaptive-learn gasoline bank2 low SPN: 4239 FMI 1 Plug ID B)

This has happened twice so far, each time at the end of the day after working the boat pretty hard. On the second occurrence, I was able to put my hand on the driver side exhaust riser, but not on the other side because it was too hot. After turning it off and letting everything cool down, it started back up and I didn't have any other problems the rest of the trip to the dock. Other than the warning, the engine acts, sounds, & revs normal. If I hide the message or turn the boat off, it doesn't continuously re-appear. Is this something I should be alarmed about?