Help Center/ Cloud Service Engine/ User Guide（Ally Region）/ FAQs/ ServiceComb Engines/ Why Is "Version validate failed" Displayed When I Attempt to Connect to the Service Center?
Updated on 2025-12-30 GMT+08:00
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Why Is "Version validate failed" Displayed When I Attempt to Connect to the Service Center?

Abnormal Message

{"errorCode":"400001","errorMessage":"Invalid parameter(s)","detail":"Version validate failed, rule: {Length: 64,Length: ^[a-zA-Z0-9_\-.]*$}"}

Possible Cause

A new SDK is used, but an earlier SDK of the service center is connected.

Fault Locating

Check the version of the service center. You can download the latest service center from the official website of the cloud platform or ServiceComb.

Parent topic: ServiceComb Engines