Hey! Do you have a link we can take a look at?

Hi, thanks for the quick reply!

Here are the links:

• Project editor link: [[https://v0.app/chat/masterful-pre-original-yCrYYEEWmee\](https://v0.app/chat/masterful-pre-original-yCrYYEEWmee///)]

• Preview link: [ [https://preview-masterful-pre-original-kzmit3zarighgqrnnz35.vusercontent.net/\](https://preview-masterful-pre-original-kzmit3zarighgqrnnz35.vusercontent.net/) ]

Quick summary:

• The preview fails in all versions, even Version 1.

• I have over 144 versions.

• The issue started right after I bulk-deleted more than 10 messages from the chat/code history in one action.

• I’ve spent many tokens trying to fix it through the engine, but it keeps saying it’s solved when it’s not.

Let me know if you need any more details.

Thanks!

Hi there is there any update on the gift credits, have they been taken away or what is happening?

Your chat is currently private, can you unlist it? Thank you!

Have you also tried a fresh fork?

Hey, @masikemfikoe!

What do you mean?

Can you share more information? Is this related to the topic that OP shared?

Hi, thanks for getting back to me.

I already unlisted the project as you asked. https://v0.app/chat/masterful-pre-original-yCrYYEEWmee https://v0.app/chat/masterful-pre-original-yCrYYEEWmee?b=v0-preview-b_DbeMSaznjta&f=1

And yes, I’ve also tried creating a fresh fork — with both old versions and new versions. Unfortunately, I still see the exact same issue: the preview doesn’t work in any of them.

So the first thing I would check is your integrations / environment variables based on this:

Hi,

Regarding integrations — they’re just some basic ones like Stripe, keys, etc. Nothing critical at this stage, so I don’t think they are the cause of the issue.

One thing I believe might be a core problem: at some point, I was connected to Supabase, but then I released all of the Supabase data. After that, I only wanted to keep the UI and design (the front-end), without the database. I’m not sure what happened after that change, but I think this could be one of the reasons why the previews completely stopped working.

I forked your chat, and it looks like there are quite a few environment variables that are missing here. Did you have values to them before?

To confirm - do you see the same thing in the screenshot I shared earlier?

Have you tried prompting v0 to remove that database? :) I've forked your chat and trying to do it myself right now. Will let you know what happens!

Hi Pauline,

After this conversation, I think I may have identified the core issue — though I’m not 100% sure. At one point, I only wanted to keep the UI and design, so after I finished the whole front-end, I migrated to another back-end tool. To do this, I went into the integrations and deleted all of the Supabase database. I believe that action might be a root cause of the current issue.

The other possible factor is when I bulk-deleted multiple messages in the chat history (instead of one by one). Between the Supabase wipe and the bulk deletions, something may have broken in the project.

However, after reading the forum, I’ve noticed a lot of people are experiencing the same issue I am, so I’m not sure if what I did is directly the problem or if it’s a broader bug. That’s also why I created another post — not to spam, but to gather everyone’s reports in one place so you and the team can respond once and others can see the solution.

That’s where my head is at regarding what might be happening.

Thanks again for checking into this!

My fork of your project is here, and I'm also struggling to get it to fix the syntax error.

Thanks for reporting, let me get this in front of our v0 team

Appreciate your patience!

Thank you for confirming and for escalating this to the v0 team. That’s a relief to know it’s not just me, and that you also hit the same syntax error.

I really appreciate you taking this forward. Please keep me posted as soon as you hear back — this issue is completely blocking my work right now, so any update will help a lot.

Thanks again!

https://community.vercel.com/t/agent-mode-cannot-resolve-the-issue-runtime-error-unexpected-token/18982?u=pawlean

Vercel Community

Agent mode cannot resolve the issue Runtime Error Unexpected token ‘>’

Keep getting Runtime Error Unexpected token ‘>’ even though asking v0 Agent mode to fix the issue with more than 50 versions and still not resolved!!! Agent...

I can see others are also seeing the same issue in this thread. I have just shared with the team to look into it.

I'll let you know of any updates!

Yeah, exactly — that’s the reason why I created that post. It wasn’t to spam at all. I read through the forum and saw at least five or six people having the exact same issue, so I thought it would be more useful to gather everything in one place. In that post I summarized the whole problem, so if you and the team answer there, everyone can see the solution instead of you having to answer each person one by one. I really respect the community, and my intention was only to make things easier for everyone.

One thing that may help the team: from what I’ve observed, the agent’s debugging logic seems to only focus on the latest visible issue instead of doing a full analysis. So it patches the first error it finds, says “fixed,” but doesn’t go deeper to the core problem. That’s why people (including me) end up spending a lot of tokens — it keeps debugging symptoms, not the root cause. The agent is great overall and definitely helpful, but this part of its logic feels limited.

Hopefully this feedback helps the team while they investigate.

Hi Pauline,

Any news from the team on this? My project is still completely blocked, and I really need to get it done but there’s still no solution yet.

Thanks for keeping me updated.

Did this work?

https://community.vercel.com/t/agent-mode-cannot-resolve-the-issue-runtime-error-unexpected-token/18982/15

Vercel Community

Vercel Community

Connect, learn, share projects, and get community support

Hi,

Thanks for sharing the prompt solution. I tried it, but unfortunately it didn’t work I’m still seeing the exact same problem with the preview. The same error keeps coming up

Hi,

It’s now been over 3–4 days since I first reported this issue, and it still isn’t solved. I saw that you marked it as resolved for someone else, but for me the exact same problem is still happening.

What’s going on here? Why is this being marked solved when the issue clearly persists? I’ve been completely blocked for days, unable to preview any version, and I’ve already spent all my tokens trying to fix this problem through the agent with no success.

Because of this, I think it’s only fair that my $20 subscription be refunded — I paid for a working service and support, and right now I can’t use the product at all. Please escalate this to your team so both the technical issue and my refund can be handled properly.

Thank you for your patience!

I know there's multiple threads around, but did you manage to create a new fork and prompt there? The issue for this was related to the file extensions as I shared in the other thread.

You can request a refund in vercel.com/help - please do so and link back to this conversation.

Hi,

Yes, I already created a new fork and ran the prompts like you suggested. It didn’t work for me — and I also saw at least one other person in the forum who tried the same thing and it didn’t work for them either. So let’s not assume this is a 100% solution, because clearly it’s not.

It’s now been almost a week since I first reported this, and the problem is still not fixed. In the meantime I’ve spent all my tokens chasing this with the agent, with no result. That’s extremely frustrating and honestly feels like really bad support.

This isn’t just about me — multiple people in the community are facing the same issue, and the suggested “fork + prompt” workaround isn’t solving it. We need a proper fix from the engineering team, not just repeating the same steps.

I'm sorry for the frustrating experience. This was fixed by our engineering team, and because of your bigger project, their advice was to use the prompt I shared above.

I know it's been 2 weeks since our last post, but I'd be keen to know if you got past this issue so we can dig deeper if you are still stuck.

If you haven't already, I recommend requesting a refund and linking back to this chat.

This issue was never solved. The fix that was suggested only pushed me into an infinite loop of errors. I kept trying to fix those errors again and again, and each time I lost more money without ever getting a real solution.

The biggest problem is that you don’t refund extra credits. I lost a significant amount of extra credits on this — money that was completely wasted on your system’s failure. This not only damaged my project and my budget but also cost me weeks of time and caused a lot of emotional stress.

Right now, I honestly feel like you seriously let me down. You messed up my project, you messed up my budget, and you left me stuck with nothing to show for all the money and effort I spent.

At this point, I think the least you can do is to compensate me properly — not just a small refund, but at least $1,000 in credits. This isn’t only about the money I lost, it’s also about the wasted time, the frustration, and the emotional fatigue your system caused me.

If you can’t provide fair compensation, then what am I supposed to do? Am I supposed to go public, make a viral video about this, and expose how badly this platform handled my case? I don’t want to reach that point, but right now you’ve left me with no results, no refund, and a huge loss.

Please take this seriously and resolve it the right way.