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Random JavaScript error when navigating

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@ldebeasi Getting a common problem when navigating from one screen to another in my Ionic Vue project. Occasionally, I’ll get the error:

Uncaught (in promise) TypeError: Cannot read properties of undefined (reading 'classList')

Which points to at x (index.esm.js:1072):

leavingEl.classList.add('ion-page-hidden');

Full stack trace:

x	@	index.esm.js:1072
async function (async)		
x	@	index.esm.js:1071
V	@	index.esm.js:1134
(anonymous)	@	index.esm.js:938
Oe	@	runtime-core.esm-bundler.js:154
Ze	@	runtime-core.esm-bundler.js:163
z	@	runtime-core.esm-bundler.js:2032
oa	@	runtime-core.esm-bundler.js:329
ha	@	runtime-core.esm-bundler.js:370
Promise.then (async)		
ta	@	runtime-core.esm-bundler.js:286
na	@	runtime-core.esm-bundler.js:308
ia	@	runtime-core.esm-bundler.js:311
M	@	runtime-core.esm-bundler.js:2060
v	@	reactivity.esm-bundler.js:183
y	@	reactivity.esm-bundler.js:189
scheduler	@	reactivity.esm-bundler.js:854
v	@	reactivity.esm-bundler.js:183
y	@	reactivity.esm-bundler.js:189
set value	@	reactivity.esm-bundler.js:764
F	@	vue-router.esm-bundler.js:3133
(anonymous)	@	vue-router.esm-bundler.js:3187
Promise.then (async)		
(anonymous)	@	vue-router.esm-bundler.js:3184
(anonymous)	@	vue-router.esm-bundler.js:441
o	@	vue-router.esm-bundler.js:440

This is all within the handlePageTransition method. Any ideas what is happening? I find that the transitions in my app are jittery sometimes but not sure it’s directly related to this.

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