[MC-153598] Minecraft Version 1.5.1 Crashes on Load-up

When trying to load version 1.5.1, it crashed after the Mojang page.

Linked issues

duplicates 1

MCL-5837 Game versions 1.5.2 and lower crash when starting in a newer version's folder due to invalid language in options.txt Resolved

is duplicated by 1

MC-153599 Minecraft Version 1.5.2 Crashes on Load-Up Resolved

Attachments

crash-2019-06-01_14.52.55-client.txt

Comments 2

violine1101 2019-06-01T22:03:25Z

Thank you for your report!
However, this issue is Invalid.

Your Minecraft version is outdated. We currently take issues for version 1.14.2 and the latest snapshot.
Please update to the latest version as it includes the newest fixes. If you still have this problem after updating, then please create a new issue.

If I would have to guess, I would say that this issue probably occurs because you're trying to launch 1.5.1 in a folder that you already launched a newer version in. The options.txt file is not backwards-compatible. Please use separate folders for different versions in order to avoid issues such as this.

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Evelyn 2019-06-01T22:17:26Z

I appreciate the feedback. I have each version in a different folder, however. When on version 1.12, I could go back to older versions of Minecraft just fine, but now that I have 1.14.2, older versions crash.