You tie a lead to a horse, lead it across your world, and the screen freezes. Then the game closes. No warning, no message, and maybe an unsaved hour of building. It’s a rough moment, and it makes you wonder if leads are broken.
If you’ve searched for leads for the crashing game Minecraft, this guide is for you. I’ll explain how leads work, what usually causes crashes, how to find your crash report, and how to report the problem to Mojang. I should be honest about one thing up front. I couldn’t find an official page that names leads as a known crash cause, so I won’t claim a single “fix.” What I can give you is a clear way to narrow it down. Facts from official sources are marked. The rest is my own view.
How leads work
The Minecraft Wiki describes a lead as a utility item for leashing and leading certain mobs. You can tie a mob to yourself or to a fence post, and the page says leads stretch to a maximum of 12 blocks. If the mob can’t follow you, the lead breaks. A lead also breaks when you use shears, remove the fence post, or when a projectile hits it.
There are numerous components involved. A leashed mob is tied to another object, and the game has to keep track of both. That’s my own general explanation, not a statement from the wiki. It’s one reason leashing can show up in a crash report if something goes wrong, though I can’t say it’s the cause in your case.
The wiki’s lead page also lists version changes.For instance, in the 1.21.6 Java edition snapshot, leads got new features like leashing two mobs and interacting with boats. As new features can introduce bugs, your game version becomes very important.
What usually causes a crash?
The Minecraft Wiki has a page on crashes. It says the most common causes are “mods, pre-existing bugs, updates, and running out of memory.” That’s a good starting list for any problem, including leads crashing game Minecraft searches like yours.
Here are the main causes of the page names.
Mods. Bugged mods, mod conflicts, and the wrong mod versions can all crash the game.
The wrong Java version. The page says versions after 1.16 need newer Java, and a wrong version can crash the game at startup.
Running out of memory. It says JVM crashes are almost always caused by running out of RAM, often after massive operations.
Hardware. Overheating, damaged RAM, or a failing video card can cause trouble. But the page adds that if Minecraft is the only game failing, hardware is unlikely to be the cause.
Software that gets in the way. Some security tools can interfere with the game.
Edited files. Changing game or world files, even with advanced editors, can also cause crashes.
Step 1: Find the crash report.
A crash report tells you what went wrong. It’s the best clue you have, so look for it before you change anything.From the instructions provided in the wiki, you can find the report in Java Edition by opening the game’s folder and navigating into the “crash-reports” folder, which is located in %appdata%\\.minecraft\\ for Windows, ~/Library/Application Support/minecraft for macOS, and ~/.minecraft for Linux. The file name appears in this format: “crash-yyyy-mm-dd_hh.mm.ss-client.txt.”If there’s no “crash-reports” folder, the page says the game may have hit a JVM failure. In that case, look for a file called “hs_err_pid” followed by numbers.
Open the newest file and read the top. It usually names the problem. If the report mentions leashes, entities, or a mod name, write that down.
Step 2: Narrow it down.
Once you have the report, test one change at a time. These steps are my own suggestions, built from the causes above.
First, back up your world. Back up your world file just in case. It is good advice, and it could save you from a lot of hassle.
Second, test without mods. If the crash stops, a mod is the likely cause, so add them back one at a time. The wiki says mods are among the most common causes.
Third, check your game and Java versions. Make sure both are up to date and match each other. The wiki says the wrong Java version can crash the game.
Fourth, try a new test world. Ensure that both are updated and in sync with each other. According to the wiki, using the wrong Java version may crash the game.
Lastly, determine precisely what actions you were performing when it crashed. Did it crash while tying your lead, when walking far away from the game, entering portals, or breaking your lead? The wiki says a lead breaks if a leashed mob walks through a nether portal. If the crash happens at the same spot every time, that’s a strong clue.
Last, free up memory. Close other programs, and avoid huge actions while you test.
A word of caution about “crash fix” downloads
When a game keeps crashing, it’s tempting to download a tool that promises to fix it. Be careful. Download files only from sources you trust, since fake fix tools can carry malware.This is just general safety advice. It’s not from the pages above. You may be unsure, but if so, ask an adult or trusted friend first.
How to report a bug to Mojang
If the crash occurs repeatedly and you have ruled out all mods, you may submit a bug report. There is a Mojang article titled “Bug Us About Bugs” that describes the process.
The article states that bugs.mojang.com, the public tracker, is read-only, so it is advisable to search for the issue there to ensure that the bug has not yet been reported. For filing a bug report, you will need to visit report.bugs.mojang.com and log in. According to the article, it is advised to report only one issue per report and to provide a clear title. The article further advises on including reproduction steps, that is, what you did, what you expected to happen, and what actually happened, along with platform, game version, and other information.
The wiki’s crash report page says crash reports should be included in bug tracker reports whenever possible.
The article also says not to include personal or contact information, because the tracker is public. And if a report already exists, it suggests adding a vote or watching it and skipping “me too” comments unless you have new details.
Keep in mind that the article is from 2019, so check the tracker’s current instructions.
Common mistakes
Changing five things at once is the big one, because you can’t tell which fix worked. Another is skipping the world backup. Some players ignore the crash report, even though it names the problem. Others download random fix tools or file a report without steps to reproduce it. And a few assume leads are always the cause when a mod or a memory problem is more common.
Your next step
Go to your “crash-reports” folder, find the most recent document there, and jot down the name in the first few lines of that document.Then test one change at a time, starting with a world backup and a mod-free test.
If you’re curious about other kinds of crash on this site, our Crash Games category covers crash-style games of chance. Those are for adults only and involve real financial risk, and they have nothing to do with Minecraft. And for more guides, visit our home page. With a calm, step-by-step approach, even crashing game Minecraft problems get easier to solve.
FAQ
Why are my leads crashing the Minecraft game?
I can’t say for sure. The Minecraft Wiki lists mods, bugs, updates, and low memory as the most common crash causes. Check your crash report to see what yours says.
Where do I find a Minecraft crash report?
In Java Edition, open your game folder and look in the “crash-reports” folder. If it’s missing, look for an “hs_err_pid” file.
Should I remove my mods?
Try it as a test. If the crash stops, add mods back one at a time to find the one causing it.
How do I report a Minecraft bug?
Search bugs.mojang.com first. To file a report, use report.bugs.mojang.com and include steps to reproduce and your logs. Leave out personal information.
