| Error | Possible Problem/Solution |
|---|---|
| E26 - Invalid authentication credentials: signature cannot be authenticated | Faulty signature computation. Confirm hextobase64 encoding is done properly. "Signature"=hexToBase64(Sha1.hash(signatureCipher))) where "signatureCipher" = httpMethod + "&"+ url + "&" +timestamp + "&" + nonce + "&" + clientId + "&" + clientSecret |
| E25 - Invalid authentication credentials: Nonce already used | Nonce is a unique generated value for each request. It should not be repeated. Length should NOT be more than 64 characters |