Issue #118998 | webcompat.com

Browser / Version: Firefox Mobile 112.0
Operating System: Android 12
Tested Another Browser: Yes Chrome

Problem type: Site is not usable
Description: Page not loading correctly
Steps to Reproduce:
tworld.co.kr is a website for users who use SKTelecom as mobile carrier. You can buy smartphones, check usage of call, SMS, data(WCDMA, LTE, 5G NR) or enroll additional services like anti-spam filter for SMS.

After Feb, 2023, tworld.co.kr shows error message below:
Application error: a client-side exception has occurred (see the browser console for more information).

Tested on various environments, but error only occurs in Firefox Mobile(Fenix)

Firefox Nightly 112.0a1(2023-03-02) 64Bit, Kubuntu 22.04 : Work correctly, but load slower than Chrome.
Chrome Mobile 110.0.5481.153, Android 12, LG G8 ThinQ(LM-G820N): Work correctly
Firefox Nightly (Mobile) 112.0a1(2023-03-01), Android 12, LG G8 ThinQ(LM-G820N): Error occurs

Enhanced Tracking Protection, Block Cookie Banner, AdBlock Origin, etc... are disabled in testing environment

View the screenshot

Browser Configuration

gfx.webrender.all: false
gfx.webrender.blob-images: true
gfx.webrender.enabled: false
image.mem.shared: true
buildID: 20230228085339
channel: nightly
hasTouchScreen: true
mixed active content blocked: false
mixed passive content blocked: false
tracking content blocked: false

View console log messages

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