How to fix Lovable when it is stuck in an error loop

An error loop is the state where each fix Lovable makes produces a new error, or the same error in a new form, and the app drifts further from the version that worked. Lovable's debugging guide names the cause directly: "Repeated blind fixes tend to pile up code that hides the real problem." Its fix is a four-step order: use Try to fix once or twice, describe the bug precisely, switch to Plan mode to find the root cause, and revert if fixes have tangled the code. The rest of this page turns that order into a routine with a decision rule and a worked recovery.

What makes a Lovable error loop different from an ordinary bug?

A Lovable error loop is defined by the trend, not by the error message. An ordinary bug gets smaller with each attempt. A loop shows one of three signs: the same error returns after a fix, a new error appears in a part of the app you did not touch, or the fix silences the error but the feature still does not work.

The project chat docs cover the cost of staying in the loop. Your account includes 10 free fixes, shared across Try to fix and the Security view, and each free fix becomes available again 24 hours after you use it. After all 10 are used, Try to fix "is treated as standard build usage and consumes credits." The free fixes run out quickly when every attempt creates the next error.

The useful reframe is that a third Try to fix is rarely a better guess than the second one. As Lovable's debugging guide puts it, repeated blind fixes tend to pile up code that hides the real problem, and switching to Plan mode after one or two failed attempts is usually faster than trying again.

What should you do the moment Lovable starts looping?

Stop the work first, then change what Lovable can see. If Lovable is still responding, click the stop button: the project chat docs say "Lovable keeps the work completed so far, and the message is charged for the work already done." Then run the routine below in order:

1. Cap Try to fix at two. Count your attempts. After the second failure, do not click it again.
2. Write the symptom down. What you did, what you expected, what happened, and the exact error text.
3. Decide revert or investigate, using the table in the next section.
4. Find the root cause before building. Ask in Plan mode or Chat mode, neither of which changes code.
5. Rebuild in smaller steps from the clean version, and bookmark each step that works.

Lovable's debugging guide warns against prompts like "Nothing works, fix it!" and asks for the symptom and the location instead. Writing the symptom down is the step people skip, and it is also what lets you tell, after a revert, whether the new attempt actually fixed the original problem.

Should you revert to an earlier version or ask Lovable for another fix?

Revert when the fixes have changed more than the original problem did. Lovable's debugging guide puts the rule this way: "If a series of fixes has tangled the code, rewinding is often faster than untangling." The table is the decision rule this guide uses:

What you see	Do this	Why
First error after a change, app otherwise works	Try to fix, once or twice	Cheapest path while the change is small
Same error returns after two fixes	Plan mode: ask for the root cause	Lovable has not found the cause yet
A fix broke a feature that used to work	Revert to the version before the original change	The fixes are now part of the problem
You cannot say which change started it	Open History and preview versions until one works, then revert to it	Find a clean base before prompting again
No error, but data is missing for some users	Check row level security and logs before prompting	Usually a backend rule, not front end code
The error is in login, payments or personal data	Revert, then use Plan mode with an explicit caution prompt	A wrong fix there is costly and quiet

Reverting is not a defeat. The edits made after that point stay in the project chat, so nothing you learned from the failed attempts is lost, and you start the next attempt from code that worked.

How does Lovable version history work when you need to roll back?

Lovable saves every change as a version automatically; there is no save button. The version history docs open with the claim that matters in a loop: "Version history is your safety net." Open it from the History toggle in the editor's top bar, or from the menu next to the chat input under Project, then History.

The controls you will use in a recovery:

• Snapshot view. Click any version to look around that state of the app without changing anything, and use Back to latest to return.
• View code changes and Go to message in chat. See which files a version changed and the prompt that produced it, which is how you find the change that started the loop.
• Revert. Restores the whole project to that version after you confirm. Revert is all or nothing; to undo one part only, ask Lovable to restore that part in the chat.
• Edit message, then Revert and resend. Rewrite one of your own earlier prompts and Lovable reverts to that point and continues with the new instruction.
• Undo latest edit. Reverses only the most recent change, from the latest response.
• Bookmarks. Mark known-good versions so they sit in their own Bookmarks tab instead of somewhere in a long history.

Two limits need saying plainly. Reverting "restores your project's code only" and does not roll back database data, so records or migrations created after that version stay where they are. And credits are not refunded: the history docs state "Credits pay for the work Lovable performs, so messages you later revert still count."

When should you bookmark a version in Lovable?

Bookmark after every feature that works, and before every change you would be upset to lose. Lovable's prompting guide recommends bookmarking "After each working state (layout locked, content added, logic wired)" and ends the advice with "Then prompt boldly, and revert freely." You can bookmark from the History panel or with Bookmark in history on the activity card of a finished change.

A bookmark costs one click. Without one, a recovery starts with scrolling through dozens of versions and previewing each to find the last good one, often while the loop is still fresh and frustrating.

How do you find the root cause in Plan mode or Chat mode?

Ask Lovable to explain before it fixes, in a mode that cannot change code. The Plan mode docs state "Plan mode never modifies your code" and list investigating a bug and approving the fix before any code changes as a use. Lovable's debugging guide suggests prompts like these:

What is the root cause of this build error? Show me the relevant code and explain what is going wrong before proposing a fix.

What solutions have we already tried for this error? List them so we don't repeat ourselves.

This error keeps coming back. Can we take a different approach to achieve the same goal that avoids the problematic area?

The second prompt is the one that breaks loops. It forces the list of failed attempts into the open, so the next attempt has to be different.

Chat mode is the lighter option. The Chat mode docs describe it as discussing the app "without changing any code", and when a change is needed it shows a Start building card and only builds after you select Build. Use Chat mode to ask what caused the error; use Plan mode when you want a reviewed, written plan for the fix before Lovable builds it.

What does each recovery step cost in Lovable credits?

Recovery has a price, and Lovable's docs state most of it. As of October 2026:

Step	Cost per Lovable's docs	Source
Try to fix	10 free fixes per account, each back after 24 hours, then standard build usage	Project chat
Plan mode message	One credit, plus any subagent research	Plan mode
Chat mode message	Typically a fraction of a credit, covered first by the workspace's daily chat allowance (none on Enterprise)	Chat mode
Stopping mid-task	Charged for the work already done	Project chat
Reverting	Credits already spent are not refunded	Version history

The Chat mode row comes with a caveat. Lovable labels the current chat pricing, including the daily allowance, a temporary offering that applies through October 31, 2026, so check the Chat mode docs before relying on it. The ranking stays useful either way: asking is cheaper than building, and Lovable's own Plan mode page says "Chat mode is the cheaper way to ask."

What does a full recovery look like on a form that a prompt broke?

Take an invented example. Marina, a product manager, has a working sales pipeline tracker in Lovable. The Add deal form saves a deal name, company and amount, and she bookmarked that version as "deal form works." She then sends one prompt: add a close date field, make amount required and validate it, and show a success message.

The form now throws an error on submit. Try to fix clears it, but deals save without an amount. A second Try to fix makes the amount save, and the pipeline list stops loading. That is a loop: a fix broke a feature that used to work.

The recovery, step by step:

1. Stop. No third Try to fix. She writes down the symptom. Steps: submit Add deal with every field filled. Expected: the deal saves and a success message appears. Actual: the deal saves without an amount, and after the second fix the pipeline list is blank.
2. Find the clean base. She opens History, then the Bookmarks tab, previews "deal form works" in snapshot view, adds a test deal in the preview tab, and confirms it saves and lists.
3. Check what the failed attempts did to data. She uses View code changes on the versions after the bookmark and sees that one of them added a close date column. Revert will not remove it, because revert restores code only.
4. Revert to the bookmarked version and confirm.
5. Tell Lovable what happened, in Plan mode, following the debugging guide's advice to give context after a revert:

I reverted the project to the version where the Add deal form worked. The previous attempt
added a close_date column to the deals table, which is still in the database. Reuse it.
Plan these as three separate steps, each tested before the next:
1. Add a close date field to the Add deal form, saved to the existing close_date column.
2. Make amount required, with a clear inline error when it is empty.
3. Show a success message after a deal saves.
Do not change the pipeline list or any other screen.

6. Approve and build step 1 only, test it with the same deal she wrote down, and bookmark it. Then steps 2 and 3, one at a time, testing the pipeline list after each.

The original prompt was not wrong; it was three changes in one message. Splitting it means that when something breaks, she knows which step did it, and she has a bookmark one step back instead of three.

How do you tell when the error lives in the backend, not the code?

Look at the backend before sending another code fix when the symptom involves saved data, sign-in, or an external service. Three places cover most cases on projects using Lovable's built-in backend:

• Logs. The Logs docs put them under More, Settings, Logs, with separate views for functions, database, authentication and storage, and relative ranges back to the last 5 days. You can paste a log entry into the chat and ask Lovable to fix it.
• Secrets. A feature that calls an outside service fails if its API key is missing. The Secrets docs say anything that depends on a skipped secret "won't work until you add it"; check under More, Settings, Secrets.
• Row level security. If the app works for you but shows nothing for another account, the data access docs explain where to review the policies (More, Database, Manage, Policies). The view is read-only, so ask Lovable in plain words to change a rule, for example "Only allow users to see their own invoices."

When should you stop fixing and ask for help?

Stop when you have reverted twice and still cannot reproduce or explain the error, or when the loop touches login or payments. For delicate areas such as authentication or payments, Lovable's debugging guide suggests a caution prompt that tells it to examine all related code first, avoid modifying unrelated components, and pause and explain if anything is uncertain. If you are on a paid plan and believe the problem is in Lovable itself, the project chat docs point to Lovable Support; the debugging guide also points to its Discord community, and asks you to gather the error, what was tried and when it started before posting.

After you escape a loop, close it properly. Lovable's guide suggests asking it to summarise what the issue was and how it was fixed so you can add it to project knowledge, which is how the same loop stops recurring. The Lovable knowledge base guide covers where that summary goes.

Where can you practise Lovable debugging and rollback?

Builders Camp's Building with Lovable bootcamp takes you from idea to an interactive full-stack prototype using Lovable, connecting real backends, with no code required. It runs 2 weeks with 3 live sessions and 9 self-paced microlessons, and is directed by Ricardo Luiz. Its FAQ states that no coding is required and that it is designed for non-technical professionals, and its practical challenge is rated beginner.

For the general debugging method that works in any AI builder, see how to debug AI generated code when you are not an engineer. For the habits that prevent most loops in the first place, including one change per prompt and named checkpoints, see vibe coding mistakes to avoid. If you sync your project to GitHub, GitHub for vibe coders explains how a Lovable revert relates to a Git revert.

Before your next risky prompt, bookmark the current version. The loop you avoid is cheaper than the one you escape.