NDSolve::mdo
NDSolveValue::mdo
ParametricNDSolve::mdo
ParametricNDSolveValue::mdo
A warning message is generated because 9 is not a valid value for the "MaxDifferenceOrder" option in this example:
NDSolve[{x'[t] == x[t], x[0] == 1}, x, {t, 0, 1}, Method -> {"IDA", "MaxDifferenceOrder" -> 9}]NDSolve[{x'[t] == x[t], x[0] == 1}, x, {t, 0, 1}, Method -> {"IDA", "MaxDifferenceOrder" -> 5}]