During an upgrade/update using SUM tool, the phase IS_SELECT stopped with similar error :
Could not find suitable DVDs for product ERP required for the procedure.
The requested data carrier is not mounted on any of the mount points you entered.
Enter at least the mount point containing Upgrade Add-On:
SUM, upgrade, IS_SELECT, suitable, DVD, data,carrier,mounted , KBA , BC-UPG-PRP , Upgrade Preparation , BC-UPG-TLS-TLA , Upgrade tools for ABAP , Problem
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