Error messages

Every message Montage shows when something goes wrong, word for word, with what it means and what to do.

Written by Ben (Founder) · Updated November 6, 2026

Adding footage

Message	What it means	What to do
This video couldn’t be read · Try another copy of this video.	The file is damaged, even for Montage’s own reader. Also said of a sound or a picture.	Try again with another copy, or Contact support.
This video didn’t finish uploading · The upload stopped before the end. Add it again.	The upload was cut and could not go on.	Add the file again.
Upload stopped at 42% · the connection dropped, nothing is lost	Your internet stopped during the upload.	Press Resume: it picks up where it stopped.
Can’t be opened · This file is damaged or isn’t a video	The file you dropped for a new video can’t be read.	Pick another file.
Your space is full · Delete footage you no longer need, then add these again.	Your plan’s storage is used; the files show « Not added · your space is full ».	Free up space in Media, or change plan.

Message	What it means	What to do
Something went wrong on my side and I stopped. Your video is safe. Ask me again and I’ll pick it up.	Montage’s AI stopped in the middle of a change.	Ask again.
You’re out of credits for now. Add some in Plan and credits, and I’ll pick up right where we left off.	Your plan’s credits for the month are used.	Add credits, or wait for next month’s.
That was the last of your free credits. A plan gives you credits every month.	The Free plan’s credits are used.	Pick a plan.
This part of your video can’t be shown · Something went wrong reading its file. Your video is safe.	One file the video uses could not be read for the player.	Tell Ben which video.
This change can’t be opened.	An earlier version in History could not be opened.	Try again in a moment.
Montage is working: go back once it is done.	You asked to go back to an earlier version while the AI was changing the video.	Wait until it is done.

Message	What it means	What to do
Your video wasn’t made. · Something went wrong on our side. Your video is safe: try again.	The export failed. Also said of the sound alone and of the file for Premiere Pro or DaVinci Resolve.	Try again.
Your Mac is full · This video needs about 2.1 GB. Your Mac has 800 MB free.	In the app: not enough space for the file (« Your computer is full » on Windows).	Free up some space, then Try again.
On the disk « Card » · Plug the disk in: the export goes on by itself.	In the app: an original is on a disk that is not plugged in.	Plug it in.
Moved or deleted · Find where it is now: the export goes on by itself.	In the app: an original is no longer where it was.	Find the file.

Message	What it means	What to do
Signing in with Google didn’t work. Try again, or use your email.	Google’s sign-in failed.	Try again, or use your email.
Signing in with Google did not finish. Try again.	Google’s sign-in stopped half-way.	Try again.
This link has expired. Ask for a new one.	A sign-in link from your email is too old.	Ask for a new one.
It did not work · Go back to the Montage app and press Continue with Google again.	In the browser, after a Google sign-in for the Mac app.	Go back to the app and try again.
Montage needs the internet to open.	The Mac app can’t reach Montage.	Connect, then Try again.
This link doesn’t open anything	A review link that leads to no video.	Ask for a new link.
This invitation is closed · This invitation has expired or was already used.	A team invitation can’t be used.	Ask for a new invitation.
This invitation is closed · This invitation was sent to another address.	You are signed in with another email than the one invited.	Sign in with the invited email.
Your payment didn’t go through · Nothing was charged. Try another card, or Ben sorts it out with you.	The card was refused.	Try another card, or Contact support.

Message	What it means	What to do
Something went wrong on our side · Montage is already looking at it. Try again, or tell us what you were doing.	A page failed to open. Montage’s team is told.	Try again.
Something went wrong on our side. Try again.	An action failed on Montage’s side.	Try again.

I see a message that is not on this page.

Press Contact support, bottom left in Montage, copy the message and say what you were doing.

Does a message mean my video is lost?

No. Montage keeps every version of your video; no message on this page deletes one.

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