Sometimes a generation finishes but the clip does not look right. The product looks wrong, the lighting is harsh, the camera moves in a way you did not ask for. The fix is almost always upstream of the model, in the prompt or the reference image.
Diagnose first
Before you regenerate, watch the clip twice and write down the exact things you would change. Is the product the wrong shape? The wrong color? The wrong material? Is the camera too fast? Too jumpy? Is the lighting too dark? Too saturated? You need a specific list before you change anything, otherwise you will burn credits chasing a feeling.
Product looks wrong
If the product in the video does not match your real product, the reference image is almost always the cause. Replace the reference with a cleaner front facing photo on a plain background. Avoid lifestyle shots, top down photos, or images with overlay text. The reference guide covers what makes a good photo.
Camera is wrong
If the camera moves in a way you did not ask for, your prompt either did not include a camera sentence or used vague language. Add a specific sentence: The camera holds steady at chest height, then pushes in slowly on the bottle. Specific verbs matter. Push in, pull out, hold, follow, pan left, pan right. Vague words like dynamic or cinematic will produce camera moves you did not plan for.
Lighting is wrong
Lighting is mostly a function of style and time of day. If the clip looks too dark, name a lighting condition in your prompt: in bright morning light, under soft window light, in even studio light. If it looks too saturated, switch from Cinematic style to Lifestyle, since Cinematic style applies a heavy color grade by default.
Audio is missing
Cinematic and Preview style clips are silent on purpose. If you need audio, use one of the eight other styles or add the soundtrack you want in your video editor after download. The audio toggle on the Create page is ignored for those two styles.
When to give up on a prompt
If you have generated the same prompt three times and none of the clips are close, the prompt is the problem, not the model. Rewrite the prompt from scratch using the prompt guide. Do not keep iterating on a prompt that is not working. The faster you start over, the fewer credits you spend.
When the model is the problem
Once or twice a month, the model has a bad day and most generations look slightly off. If your clips have been working and they suddenly are not, the contact page is the right place to flag it.