If you were running an electric heater, it could be the inverter/charger, if you have one. They have breakers on them down in the compartment.
If not, there are a few places to look. Should be a few breakers for the outlets, check them all by switching them off then on again.
Next, look for an outlet marked GFCI . It wil have a test - reset button on it.
Another suggestion is to look at the electrical wires running under the slide. Sometimes they droop a get caught on something, damaging them.
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