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Error
Application error

59101: System Resource Cannot Be Modified

Twilio API Documentation and Error CodesAPI

Description

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The Setting resource you tried to update or delete was created by Twilio (type: SYSTEM) rather than by your account, and system-created Settings cannot be modified or deleted.

Possible causes

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  • A PATCH or DELETE request was sent for a Setting whose type field is SYSTEM.

Possible solutions

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  • Fetch the Setting (GET /v1/Webhooks/Settings/{settingId}) and check its type field before attempting to modify or delete it.
  • To change configuration, create a new Setting resource with your desired configuration, update the relevant Rule to point to the new Setting, and leave the system Setting in place.