`firebase deploy` throws an error "TypeError Cannot read properties of null (reading 'length')"

Question

When I run firebase deploy, I get the following error:

TypeError Cannot read properties of null (reading 'length')

What do I do to fix this?

Frank van Puffelen · Accepted Answer · 2025-03-29 03:17:24Z

4

There is a bug in version 14.0.0. Upgrading to version 14.0.1 resolves the issue.

Run these commands:

npm uninstall -g firebase-tools
npm install -g [email protected]

edited Mar 29 at 3:17

Frank van Puffelen

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answered Mar 28 at 21:07

Evorlor

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4 Comments

Frank van Puffelen Mar 28 at 21:56

From bug #8378 I get the impression that the issues exists in CLI version 14.0.0, but is fixed in 14.0.1. If that is indeed the case, upgrading to that (just released hours ago) version should also fix the problem. If not, you might want to mention that in the linked issue.

Evorlor Mar 29 at 0:33

@FrankvanPuffelen My mistake. Updating this answer.

Frank van Puffelen Mar 29 at 3:17

Perfect. Thanks @Evorlor! 👍🔼

lagoupo May 7 at 5:41

Actually useful, even cursor couldn't get that fix. It was trying to change my codes while what you mentionned worked

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