Failing to Apply License with Redpanda Connect

Last updated: August 10, 2026

Redpanda Connect instance fails to start with invalid license. The following error is thrown.

failed to validate license: failed to unmarshal license data: json: cannot unmarshal string into Go struct field RedpandaLicense.type of type int

This is because Redpanda Connect received a v1 format license and doesn't understand it. Please contact Redpanda Support to generate a new license file with the valid format v0.