CentOS Exchanging information with licensing server. File downloading PSA_9.5.4/plesk_getkeyinfo.sh: 48%..100% was finished. Ask KA server for key update: product=PleskLogin current key number=PLSK00xxxxxxxxx to version=9.5.4 Warning: your license key for the base component cannot be upgraded. Response from the licensing server: Software Update Service (SUS) is not found for the given license key. Automatic upgrade is not possible Error: Failed to check whether a new license key is available. Not all packages were installed. Please, contact product technical support. What should i do?