firebase / firebase/firebase-js-sdk

1 errors occurred during unsubscription:1) Error: FIRESTORE (12.9.0) INTERNAL ASSERTION FAILED: Unexpected state (ID: b815)

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#9,491 2 comments 0 reactions 1 assignee Claimed by @MarkDuckworth View on GitHub
api: firestore needs-attention question stack:Angular
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Description

### Operating System

macOS and Windows

### Environment (if applicable)

Chrome 144, macOS, Apple --- Chrome 144, Windows 10

### Firebase SDK Version

12.9.0

### Firebase SDK Product(s)

Auth, Firestore

### Project Tooling

Angular v20 + Firebase

### Detailed Problem Description

Crash happened 9 times over the last few months.
also happened on 12.6.0
full crash stacktrace from production:

Error: FIRESTORE (12.9.0) INTERNAL ASSERTION FAILED: Unexpected state (ID: b815) CONTEXT: {"Pc":"Error: FIRESTORE (12.9.0) INTERNAL ASSERTION FAILED: Unexpected state (ID: ca9) CONTEXT: {\"ve\":-1}\n at m4 (https://www.acro-companion.com/chunk-AXBE2DBN.js:58:11251)\n at nr (https://www.acro-companion.com/chunk-AXBE2DBN.js:58:11340)\n at kS.We (https://www.acro-companion.com/chunk-AXBE2DBN.js:61:5013)\n at https://www.acro-companion.com/chunk-AXBE2DBN.js:61:5446\n at Array.forEach ()\n at rk.forEachTarget (https://www.acro-companion.com/chunk-AXBE2DBN.js:61:5738)\n at rk.tt (https://www.acro-companion.com/chunk-AXBE2DBN.js:61:5339)\n at https://www.acro-companion.com/chunk-AXBE2DBN.js:67:2478\n at Generator.next ()\n at https://www.acro-companion.com/chunk-4ZXV5L7B.js:1:1748"} at m4 (https://www.acro-companion.com/chunk-AXBE2DBN.js:58:11251) at si (https://www.acro-companion.com/chunk-AXBE2DBN.js:58:11049) at YS.uc (https://www.acro-companion.com/chunk-AXBE2DBN.js:70:36849) at YS.enqueue (https://www.acro-companion.com/chunk-AXBE2DBN.js:70:36040) at YS.enqueueAndForget (https://www.acro-companion.com/chunk-AXBE2DBN.js:70:35782) at n.handleDelayElapsed (https://www.acro-companion.com/chunk-AXBE2DBN.js:67:6407) at https://www.acro-companion.com/chunk-AXBE2DBN.js:67:6165

we already reported similar crashes before:
https://github.com/firebase/firebase-js-sdk/issues/9172
https://github.com/firebase/firebase-js-sdk/issues/7590#issuecomment-3172745204
https://github.com/firebase/firebase-js-sdk/issues/8383

not sure it's the same one

### Steps and code to reproduce issue

production bug experienced by users

Contributor guide

Open the contributing guide

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