If the timestamp of a time keyframe is lower than the timestamp of a previous time keyframe, ReplayMod shows an error saying Some of your time keyframes are out of order. Going backwards in time is not supported. The invalid parts are marked in red.

Sometimes the time keyframes are too close together to see the red line, e.g. when a user made this mistake:

		}, {
			"time": 53498,
			"properties": {
				"timestamp": 53610
			}
		}, {
			"time": 55992,
			"properties": {
				"timestamp": 60116
			}
		}, {
			"time": 55998,
			"properties": {
				"timestamp": 56117
			}
		}, {
			"time": 62604,
			"properties": {
				"timestamp": 62724
			}
		}, {

It would help users if the dialog could show the time of the keyframe that had a lower timestamp than the previous keyframe, e.g. in this case: The keyframe with an invalid timestamp is at 55sec 998msec - this would inform the user where to zoom into the timeline to find and resolve the issue. In case a user has multiple of these issues, after fixing the first one when they try to render the dialog will show the new first one.