# Optimizely: Major incident: CMP: Data Not Loading in Plan, Resources, Library, and Other Modules (GCP Stack)

**Summary:** Optimizely reported a major CMP outage affecting a subset of GCP-stack customers: data failed to load in Plan, Resources, Library, and other modules. The incident started at 2026-09-20 11:24 UTC and was resolved at 2026-09-20 13:08 UTC, lasting 1 h 43 min. A fix was implemented at 11:51 UTC; no cause was stated. _(machine-written, sol)_
- Kind: Major incident · Label: outage (model (Jev))
- Changed: 2026-09-20 11:24 UTC · Detected: 2026-10-17 18:22 UTC
- [Source: https://stspg.io/l72f0sq5vn9c](https://stspg.io/l72f0sq5vn9c)
- [Company: Optimizely](https://rewindex.com/company/optimizely.md)
- Versions: before (none: first archived) → after incident\_version:252/mqg71ycp1ww1@039b2005f9db
- Change 1 of 1 for this incident

## What changed

**1. Added: Title**

```diff
+ CMP: Data Not Loading in Plan, Resources, Library, and Other Modules (GCP Stack)
```

**2. Added: Impact**

```diff
+ major
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2026-09-20 11:24 UTC
```

**5. Added: Resolved time**

```diff
+ 2026-09-20 13:08 UTC
```

**6. Added: Affected components**

```diff
+ Analytics, Content Marketing Platform - Analytics, Content Marketing Platform - Library, Content Marketing Platform - Plan, Content Marketing Platform - Requests, Library, Plan, Requests
```

**7. Added: Update** (investigating) · 2026-09-20 11:24 UTC

```diff
+ We are currently investigating an issue affecting the Optimizely Content Marketing Platform (CMP), where data is failing to load across multiple modules — including Plan, Resources, and Library — for a subset of customers on the GCP stack. Our Engineering team has been engaged and is actively investigating the root cause. We understand the impact this has on your workflows and appreciate your patience while we work toward a resolution. We will provide a follow-up update as soon as new information becomes available.
```

**8. Added: Update** (identified) · 2026-09-20 11:29 UTC

```diff
+ The issue has been identified and a fix is being implemented
```

**9. Added: Update** (monitoring) · 2026-09-20 11:51 UTC

```diff
+ A fix has been implemented and we're now monitoring the results.
```

**10. Added: Update** (resolved) · 2026-09-20 13:08 UTC

```diff
+ This incident has been resolved.
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2026-09-20 11:24 UTC | Major incident: CMP: Data Not Loading in Plan, Resources, Library, and Other Modules (GCP Stack) (this change) | outage |

All Optimizely changes: [timeline](https://rewindex.com/company/optimizely/changes.md)
_Diff excerpts are shown on normalized text: dates, counters and tokens appear as ‹date›, ‹count›, ‹tok›; noise-only edits are hidden. Rewindex shows the changed passages, not a copy of the page._


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Canonical: https://rewindex.com/change/i299d1069ca5432 · Markdown: https://rewindex.com/change/i299d1069ca5432.md · JSON: https://rewindex.com/api/v1/changes/i299d1069ca5432 · Generated 2026-10-18T01:29:28.089Z