Harmont docs
APIErrors

pipeline_manual_disabled

Manual builds are turned off for this pipeline.

HTTP status403
typeforbidden
codepipeline_manual_disabled
Default messageManual builds are disabled for this pipeline.

When this happens

You tried to start a build by hand on a pipeline whose configuration disables manual triggers. The pipeline still builds from webhooks and schedules.

How to fix it

Trigger the build through its configured source (a push or a schedule), or enable manual builds in the pipeline settings if you own it.

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