AI Mecha Transformation Video Not Working? How to Fix Failed Generations

"My AI mecha transformation video failed" covers two completely different problems, and the fix for one makes the other worse. So the first step is always to decide which one you have.

• The job failed. The render never produced a clip. Credits are refunded automatically, nothing was charged, and the cause is usually a technical condition rather than your prompt.
• The job succeeded and the clip is wrong. The armour is smeared, the face drifted, the visor never closed. Credits were charged because a clip was produced, and the cause is always the photo or the prompt.

Everything below is organised on that split, because the diagnostic order is different for each.

Part one: the render never produced a clip

Check these in order. Each one is cheaper to fix than the last.

1. Is there a photo or a prompt? The studio refuses to start with both empty, and it says so. If you uploaded a photo and it is no longer showing in the upload tile, the upload itself failed — the file may be over the size limit or an unsupported format.
2. Check the file type and size. JPG, PNG or WebP, up to 10 MB. A HEIC straight out of an iPhone camera roll is the most common silent failure; export or screenshot it first.
3. Check your credit balance against the cost shown on the button. The button displays the exact cost for the current resolution, length and format. If the balance is short, the button switches to the purchase path instead of generating, and the credit countdown appears when you try anyway.
4. Was the prompt empty while a preset was selected? A preset fills the prompt box. If you cleared the text expecting the preset to stay applied, there is nothing to send.
5. Retry once. Remote renders occasionally fail for transient reasons. Failed renders refund their credits to the balance they came from, in full, and retrying the same prompt does not double-charge.
6. If it fails repeatedly with the same photo, change one thing at a time. Re-export the image, then try a different resolution, then a shorter clip. Persistence across all three usually means the photo itself is the trigger.

What you should never have to do: pay for a failure. If a render errors out, the credits return without a support ticket.

Part two: the clip rendered, but it is wrong

This is the real troubleshooting list. Ordered by how often each cause appears.

| Symptom | Cause | Fix | | ---------------------------------------------- | --------------------------------------------------------------- | ---------------------------------------------------------------------- | | Extra plating, a second head, a duplicated arm | The prompt asked for a pose the photo never showed | Use a photo of the pose you want; drop the pose instruction | | The face changes mid-clip | Identity anchoring lost, usually after a large body movement | Keep the subject-lock clause first, and reduce the action to one beat | | A generic hero chest with a glowing centre | The chest was left undescribed, so the model used its prototype | Describe a bolted, unlit plate; forbid the glow; constrain the palette | | Plates float without attaching | No attachment language | Name seams, hinges and locks | | Everything happens in two seconds | Assembly speed was not specified, or the prompt was overloaded | Ask for the plate order explicitly and put the visor last | | The armour barely appears | The prompt spent its words on the scene | Cut the setting description, keep the four-part anatomy | | A blurry, smeared middle | Two or three actions competing for the same frames | One action per clip | | The audio does not match the picture | The prompt described different mechanisms than the sound cues | Describe the hardware you want to hear |

Each row is a one-clause fix, and the clause matters more than the length of the prompt. The chest-plate piece expands the most common entry in the table.

The five-clause minimum that prevents most failures

Every preset in the studio contains these, in this order. If you write your own prompt, they are the parts you cannot skip.

1. Subject lock. "Keep the face, hairstyle, skin tone, build and clothing colour exactly as photographed."
2. Trigger. One object, one contact moment.
3. Ordered assembly. Name the sequence: wrist, forearm, chest, shoulders, visor.
4. Attachment language. Seams, hinges, hydraulic pistons, locking collars, sparks.
5. Delivery. One continuous shot, vertical 9:16, no text, no watermark, no extra limbs.

The last clause of number five is not superstition. Naming the failure you are trying to avoid in the negative — "no extra limbs", "no duplicated plates" — gives the model a constraint it can honour, while naming a character you want to avoid does the opposite.

1 · Sube tu fotoHaz clic para subir una fotoArrastra y suelta, o haz clic para elegir · JPG, PNG or WebP · up to 10 MBLo que mejor funciona es una foto nítida que muestre con claridad la cara y el cuerpo. Una persona por foto, nada que tape la cara.

2 · Elige una transformación (opcional)

El toque de la zanahoriaEquipado sobre la motoArmadura desde la pantallaRobot gigante alzándose

3 · Elige el formato

Resolution

480p720p1080p

Length

5s8s10s12s

Format

9:1616:91:1

Preparar mi vídeoThis video: 30 credits · 1080p · 12s

Este clip: 30 créditos · 6 clips al mes por $39.90 (Pro), o 80 al año por $319

A diagnostic order that saves credits

1. Render at 480p. 5 credits, twelve seconds. You are testing composition and identity, not sharpness.
2. Watch the first two seconds and the last two. Does the clip open on your photo, and does the visor close before it ends?
3. List the assembly order out loud. If you cannot, the prompt did not specify one.
4. Check the face at the last frame. Any drift here means the identity clause or the photo is the problem.
5. Change exactly one clause. Re-render at 480p. Two changes at once tells you nothing.
6. Render the delivery version. 720p standard is 10 credits; the 1080p default is 30. Longer clips scale linearly from twelve seconds.
7. If the same failure survives three iterations, change the photo. Prompts describe geometry; only the photo contains it.

The photo is usually the answer

Most "failed" renders that produce a clip trace back to the upload, not the prompt. The photo checklist has the full version; the short version is that a sharp, front-facing, evenly lit photo of one subject, entirely inside the frame, fixes more failures than any prompt tweak.

Symptoms that point at the photo rather than the prompt:

• Consistent drift at a predictable moment. The model ran out of usable geometry, not instructions.
• Plates attaching to furniture or background. The subject was not separated from the background visually.
• A perfectly good clip that just is not your subject. Identity anchoring had too few pixels to work with.
• A pet standing upright, or a car changing colour. Interesting: same cause, different subject — the identity clause was too generic for a non-human subject. The pet and car guides both cover the clause sets those subjects need.

What failures cost

| Situation | Charge | | ---------------------------------------- | ------------------------------------------ | | Job errors out, no clip produced | 0 — credits refunded to the source balance | | Retry of the same prompt after a failure | 0 extra | | Clip produced but not to your liking | Charged, as a completed render | | 480p test pass | 5 credits | | Standard 720p delivery | 10 credits | | Default 1080p delivery | 30 credits |

That refund rule is why iterating at 480p is the right habit: you are paying for tests, not for accidents. Tiers and pack options are on pricing.

FAQ

My render failed — do I lose the credits? No. Credits return to the balance they came from, in full, and a retry of the same prompt does not double-charge.

Why does the same prompt work sometimes and fail other times? Generation is not deterministic, and inputs like a slightly different photo, resolution or clip length change the job. Keep a prompt that worked; do not re-roll a working clip.

Why does the armour look like a different shape every render? You are describing armour in general. Name the object — "a single bolted rectangular chest plate with four hex bolts" — and it stops moving between renders.

Why does the face drift near the end? The action outran the anchoring. Keep the identity clause first in the prompt, reduce to one dominant action, and use a photo whose pose matches what you asked for.

Why is there no armour at all? The prompt spent its budget on the scene. Cut the environment description and keep the assembly order intact.

Does a longer clip reduce failures? No. A longer clip gives the model more frames, not more tolerance. One beat still has to be the whole clip's job.

Can I get help with a specific failure? The support mailbox is listed in the footer. Include the resolution, the length and the prompt — that is usually enough to identify which of the causes above applies.

If the same failure survives three iterations, change the photo and try again at the studio rather than rewriting the prompt a fourth time.