You have followed the KBA 2230320 - License for SAP Business Connector cannot be requested - SAP Support Portal to retrieve the license key for SBC.
However, when you use the license, the product indicated that the license key has been expired or invalid.
SAP Business Connector4.8
SBC, SAP Business Connector, License Key is Expired or Invalid, expired, l, request, license, invalid, watt.server.key, sapbc48 , KBA , BC-MID-BUS , Business Connector , Problem
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