2326312 - Error with EA-HR_MSS in ADDON_QCALC phase - During an EHP8 for ERP 6.0 upgrade or a S4HANA conversion

During upgrade process to an EHP8 for ERP 6.0 upgrade or a S4HANA conversion, the ADDON_QCALC phase terminates with following error:

Directory:    <DIR_PUT>/SUM/abap/log
Name:         SAPup_troubleticket.log

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SAPup broke during phase ADDON_QCALC in module PREP_EXTENSION / Extension module

Error Message: Unable to generate addon queue. Return Code = 1, Reason = "There are software components with an invalid target release", check log file 'SPDA_ADDONQCALC.LOG' for details
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Summary of SAPup:
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SAPup Release: lmt_007
SAPup Version: SAPup release lmt_007 version 56.000
Start Release: <Source release>
Target Release: 750
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Directory:    <DIR_PUT>/SUM/abap/log
Name:         SPDA_ADDONQCALC.LOG

2EETN085X"The following component versions" "were decided to remain unchanged" "during the update/upgrade process." " "

2EETN085 "But since underlying component versions" "are changed, this decision needs" "to be revised or confirmed with a" "vendor key"
3 ETN085 "Software component" "EA-HR_MSS" "rel." "1.0"

2EETN085 "Check and clarify the upgrade strategy" "of the listed components" "with the component vendors." " "

2EETN085 "Check and revise the decisions" "in the planning process in" "Maintenance Optimizer and/or" "in phase IS_SELECT"

2EETN085 "Repeat the Configuration road map step" "with an updated stack XML" "and/or with correct decisions" "in phase IS_SELECT"
1 ETN214X."**************************************************"
1 ETN251 End of phase: "'Add-on Queue Calculation'"
1 ETN254 End date: "DD.MM.YYYY"
1 ETN255 End time: "HH:MM:SS"
1 ETN214 ."**************************************************"

ABAP System, Enhancement Package Installation, Release Upgrade.

Upgrade, SUM, ADDON_QCALC, EA-HR_MSS, EA-HR, EHP8, S/4 Hana, retrofit, invalid target release. , KBA , BC-UPG-ADDON , Upgrade Add-On Components , BC-UPG-TLS-TLA , Upgrade tools for ABAP , Problem