Customers still in 7.0 and 7.2 CAST Version would have to migrate either to 7.3 CAST Version or to 8.0 CAST Version before attempting to migrate to 8.1 or further versions.
Overview
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Customers still in 7.0 and 7.2 CAST Version would have to migrate either to 7.3 CAST Version or to 8.0 CAST Version before attempting to migrate to 8.1 or further versions.