> For the complete documentation index, see [llms.txt](https://docs.vida.id/identity-stack/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.vida.id/identity-stack/verify/biometric-verification/biometric-verification-v2/error-codes.md).

# Error Codes

<table><thead><tr><th width="155.25911458333334">Error Code</th><th width="172.1640625">Http Status Code</th><th>Message</th></tr></thead><tbody><tr><td>1038</td><td>400</td><td>"Invalid base64 encoded image string or unable to detect face",</td></tr><tr><td>1040</td><td>200</td><td>"Selfie photo does not match with reference photo"</td></tr><tr><td>1041</td><td>200</td><td>"Photo liveness score is below the threshold",</td></tr><tr><td>1042</td><td>200</td><td>"Selfie photo matches with reference photo"</td></tr><tr><td>1043</td><td>200</td><td>"Selfie photo is a live photo"</td></tr><tr><td>1051</td><td>400</td><td>"Face Occluded"</td></tr><tr><td>1052</td><td>400</td><td>"Face too small"</td></tr><tr><td>1053</td><td>400</td><td>"Image quality low"</td></tr><tr><td>1054</td><td>400</td><td>"More than one face"</td></tr><tr><td>1055</td><td>400</td><td>"No face detected"</td></tr><tr><td>1061</td><td>400</td><td>"Video liveness score is below the threshold"</td></tr><tr><td>1063</td><td>400</td><td>"Unnatural colour"</td></tr><tr><td>1071</td><td>400</td><td>"HMAC verification error"</td></tr><tr><td>1072</td><td>400</td><td>"S3 role resolution failed"</td></tr><tr><td>1074</td><td>400</td><td>"Under Exposure"</td></tr><tr><td>1075</td><td>400</td><td>"Over Exposure"</td></tr><tr><td>1076</td><td>400</td><td>"Image Is Blur"</td></tr><tr><td>5001</td><td>400</td><td>"idFrontSideImage must not be blank"</td></tr><tr><td>5003</td><td>400</td><td>"faceImage should be a valid base64 encoded string"</td></tr><tr><td>5005</td><td>400</td><td>"Internal error server"</td></tr><tr><td>5501</td><td>400</td><td>[OSS] Product id not found</td></tr><tr><td>5502</td><td>400</td><td>[OSS] Product id not found</td></tr><tr><td>5503</td><td>400</td><td>[OSS] Product expired</td></tr><tr><td>5504</td><td>400</td><td>[OSS] Invalid License</td></tr><tr><td>5801</td><td>400</td><td>Verification failed: Image is blacklisted.</td></tr><tr><td>5804</td><td>400</td><td>No face detected</td></tr></tbody></table>

### Warning Code for Blacklist Check&#x20;

<table><thead><tr><th width="153.609375">Code</th><th width="173.6640625">HTTP Status Code</th><th>Operation</th><th>Description</th></tr></thead><tbody><tr><td>10501</td><td>200</td><td>Operation.IMAGE_FACEMATCH_VERIFICATION</td><td>Image is blacklisted.</td></tr></tbody></table>