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Bug Report: Data Table Node - "Could not get parameter" Error in columns.mappingMode Environment: n8n version: 2.17.3 (Cloud) Instance: plhack.app.n8n.cloud

status:in-linearIssue or PR is now in LinearIssue or PR is now in Linear

Status: Open.

#29672 In n8n-io/n8n;

· palak-commit opened on May 4, 2026

Can't stop running workflows

status:in-linearIssue or PR is now in LinearIssue or PR is now in Linear

Status: Open.

#29665 In n8n-io/n8n;

· markvaniterson opened on May 4, 2026

Container version doesn't correspond with GUI version, clear docker container install

Needs FeedbackWaiting for further input or clarification.Waiting for further input or clarification.

status:in-linearIssue or PR is now in LinearIssue or PR is now in Linear

Status: Open.

#29664 In n8n-io/n8n;

· f1rstpers0n opened on May 4, 2026

DeepSeek v4-flash tool calling fails in AI Agent with 400: reasoning_content must be passed back

status:in-linearIssue or PR is now in LinearIssue or PR is now in Linear

Status: Open.

#29661 In n8n-io/n8n;

· gptesv opened on May 4, 2026

Builder MCP create_workflow_from_code returns 500 on any @n8n/n8n-nodes-langchain.* root node, despite validate_workflow accepting it

status:in-linearIssue or PR is now in LinearIssue or PR is now in Linear

status:team-assignedA team has been assigned the issue or PRA team has been assigned the issue or PR

team:aiIssue is with the AI teamIssue is with the AI team

Status: Open.

#29660 In n8n-io/n8n;

· bcapphoto opened on May 4, 2026

Subject: SQLite lock blocking MCP token operations — instance restart needed

status:in-linearIssue or PR is now in LinearIssue or PR is now in Linear

status:team-assignedA team has been assigned the issue or PRA team has been assigned the issue or PR

team:adoreIssue is with the Adore teamIssue is with the Adore team

Status: Open.

#29657 In n8n-io/n8n;

· tipscesarlopez opened on May 3, 2026

2FA Invalid Code

auto-triage:feedback-required

status:in-linearIssue or PR is now in LinearIssue or PR is now in Linear

Status: Open.

#29656 In n8n-io/n8n;

· Keepinnovations opened on May 3, 2026

Connection Lost Issue

Needs FeedbackWaiting for further input or clarification.Waiting for further input or clarification.

status:in-linearIssue or PR is now in LinearIssue or PR is now in Linear

Status: Open.

#29655 In n8n-io/n8n;

· Imayob opened on May 3, 2026

Bug Report: DeepSeek Chat Model Node Missing V4 Parameters

status:in-linearIssue or PR is now in LinearIssue or PR is now in Linear

status:team-assignedA team has been assigned the issue or PRA team has been assigned the issue or PR

team:aiIssue is with the AI teamIssue is with the AI team

Status: Open.

#29652 In n8n-io/n8n;

· fractalrealityorg-commits opened on May 3, 2026

Self-referencing workflow stopped working

status:in-linearIssue or PR is now in LinearIssue or PR is now in Linear

status:team-assignedA team has been assigned the issue or PRA team has been assigned the issue or PR

team:adoreIssue is with the Adore teamIssue is with the Adore team

Status: Open.

#29643 In n8n-io/n8n;

· streamsmarter opened on May 2, 2026

Python runner allowlists (N8N_RUNNERS_STDLIB_ALLOW / N8N_RUNNERS_EXTERNAL_ALLOW) ignored in external runner mode

status:in-linearIssue or PR is now in LinearIssue or PR is now in Linear

status:team-assignedA team has been assigned the issue or PRA team has been assigned the issue or PR

team:catsIssue is with the Cats teamIssue is with the Cats team

Status: Open.

#29638 In n8n-io/n8n;

· whitelabel-ai opened on May 1, 2026

Workflow execution fails without error notification

auto-triage:feedback-required

status:in-linearIssue or PR is now in LinearIssue or PR is now in Linear

Status: Open.

#29635 In n8n-io/n8n;

· solutions-arch opened on May 1, 2026