You have UsageTypes activated before the upgrade (as shown below)
After the upgrade to target release NW 7.31 and higher with SUM, you check for the Active Usage Types in the URL http://<hostname>:5XX00/utl/UsageTypesInfo and find that exisitng Usage Types are no longer visible, as shown below:
NetWeaver JAVA / Dual Stack Systems
UsageTypes Activate SUM_Use_UTL_onTarget DETERMINE-UTL-USAGE-MODE-TARGET UT, UTL, UTL Sunset, Usage Types, Usage Type Library, SAP Netweaver Java Stack, SL Toolset, SWPM , KBA , BC-UPG-TLS-TLJ , Upgrade tools for Java , Problem
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