---
# @generated by sylphx-gen. Do not edit.
title: "NO_LOG_STREAMS_MAPPED"
description: "NO_LOG_STREAMS_MAPPED (FAILED_PRECONDITION, HTTP 400): The environment has no exclusive platform log stream mapping; missing or ambiguous placement is not zero traffic."
type: reference
product: platform
summary: "The environment has no exclusive platform log stream mapping; missing or ambiguous placement is not zero traffic."
updated: 2026-09-28
nav: false
---

The environment has no exclusive platform log stream mapping; missing or ambiguous placement is not zero traffic.

**HTTP** 400 · **gRPC** `FAILED_PRECONDITION` · [the error body](/docs/platform/errors)

## Returned by

| Method | Scope | What it does |
| --- | --- | --- |
| [`observability.log_entries.query`](/docs/api/log_entries/query) | `observability:read` | Queries the environment's log entries over a bounded interval; follow a trace with `trace_id = "..."`. |