# Encoding Fails immediately with "Unhandled Error during conversion"
**URL:** https://discussion.mcebuddy2x.com/t/encoding-fails-immediately-with-unhandled-error-during-conversion/156
**Category:** General Support / Questions
**Created:** [June 30, 2017, 9:51pm UTC](https://discussion.mcebuddy2x.com/t/encoding-fails-immediately-with-unhandled-error-during-conversion/156 "2017-06-30T21:51:31Z")
**Posts on this page:** 1
**Showing post:** 2
### Author:  [@RBoy](https://discussion.mcebuddy2x.com/u/RBoy)
#### Post date: [June 30, 2017, 10:00pm UTC](https://discussion.mcebuddy2x.com/t/encoding-fails-immediately-with-unhandled-error-during-conversion/156/2 "2017-06-30T22:00:57Z")
Check your profile.
You’re either missing the `-ext=` parameter or the `order=` parameter. For each encoder in the order you require a `ext` parameter.
See this:
> [@MCEBuddy - Understanding Profiles Basics](https://discussion.mcebuddy2x.com/t/mcebuddy-understanding-profiles-basics/27):
>
> MCEBuddy [Profiles Basics](https://discussion.mcebuddy2x.com/t/27) Stock MCEBuddy profiles are in the profiles.conf file located in the config directory where MCEBuddy is installed. One can create new profiles or customize existing ones. It’s highly recommended to create your own custom profiles.conf file in a directory outside of MCEBuddy’s installation folder (e.g. C:\MCECustomProfile) and configure MCEBuddy to use that custom profiles.conf from Settings → Expert Settings → Profiles.conf → Click on … → select your custom profiles.…
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