E00007 in Production usually means the Production account itself is the
issue, not the code. Since your Sandbox works, the SDK implementation is
likely correct. Common causes are: using Sandbox credentials
accidentally in Production, the Production a...
E00007 in Production almost always means the Production API credentials
are not being accepted by the live gateway, even if Sandbox works. The
most common causes are: using Sandbox credentials on the Production
endpoint the Production account not bei...
