Since 2.15.0: g.value.toLowerCase is not a function > Input and output data of nodes not loading anymore

[nepomuc]

Bug Description

Since 2.15.0: g.value.toLowerCase is not a function > Input and output data of nodes not loading anymore

To Reproduce

Simply run a flow or a part of a flow in the editor and then try to open a node that just ran. It won't load it's input and output data.

Expected behavior

Load input and output data as expected.

Debug Info

Debug info

core

• n8nVersion: 2.15.0
• docker (self-hosted)

client

• userAgent: mozilla/5.0 (windows nt 10.0; win64; x64) applewebkit/537.36 (khtml, like gecko) chrome/147.0.0.0 safari/537.36
• isTouchDevice: true

Operating System

Windows

n8n Version

2.15.0

Node.js Version

24.13.1

Database

SQLite (default)

Execution mode

main (default)

Hosting

self hosted

[n8n-assistant]

Hey @nepomuc,

Thank you for reaching out! We’ve received your issue and are looking into it. To help us track this internally, we’ve created a Linear ticket with the reference: "GHC-7680".

We’ll keep you updated as we make progress, but if you have any additional details or context to share, feel free to add them here - it’s always helpful!

Thanks for your patience and for bringing this to our attention.

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For INTERNAL use only: GHC-7680