2758198 - table "UCONRFCSERVHEAD" does not exist in nametab

• During an add-on installation using SAP Add-on Installation Tool (SAINT), an error is encountered during IMPORT_PROPER phase:

[Action Log]

Import phase 'IMPORT_PROPER' (21.02.2019, 17:50:23)
Error during executing the tp command 'tp IMPORT all <SID> ...'
tp return code: '0008' , tp message: 'A tool used by tp produced errors' , tp output:
This is tp version 380.44.55 (release 721, unicode enabled)
standard output from tp and from tools called by tp:

This is R3trans version 6.24 (release 721 - 24.03.17 - 20:17:03).
unicode enabled version
2EETW109 table "UCONRFCSERVHEAD" does not exist in nametab.
2EETW109 table "UCONRFCSERVTEXT" does not exist in nametab.
2EETW109 table "UCONRFCSERVHEAD" does not exist in nametab.
2EETW109 table "UCONRFCSERVTEXT" does not exist in nametab.
...

Details of the error situation can also be found in the import logs
Abort the import due to an error situation (21.02.2019, 17:51:30)

  NOTE: The error may repeat for the same two tables

• The system release is on SAP_BASIS lower than 740
• The add-on to be installed is under a third party vendor

Remote Function Call package RC=8 , KBA , BC-UPG-OCS-SPA , Support package tools for ABAP , Problem