3055421 - Error in phase RUN_RSCPFROM_CRR : Cannot find host in server list

• While performing an upgrade using the Software Update Manager (SUM) an error occurs in phase 'MAIN_NEWBAS/RUN_RSCPFROM_CRR'
• The following error can be found in the SAPupConsole.log

Checks after phase MAIN_NEWBAS/RUN_RSCPFROM_CRR were negative!

Last error code set:
Single errors (code <= 8) found in logfile 'PHASE_RUN.ELG'

*ERROR* :
Batchjob RSCPFROM_CRR failed.
The following errors were detected in the log files:

# /installers/SUM/abap/log/RSCPFROM_CRR_DT.SID:
A4 ESUPG 301 Report name ...: "RSCPFROM_CRR -> CONSTRUCTOR"
A4 ESUPG 302 Log name: "/installers/SUM/abap/tmp/RSCPFROM_CRR_DT.SID"
A4 ESUPG 304 Start time.....: "18.03.2021" "23:52:16"
A4 ESUPG 002 " "
A4 ESUPG 001
-------------------------------------------------------------------------
A2EESCRR 136 Cannot find host in server list, please check SAP Note 129997

Upgrade using SUM (Software Update Manager)

SAPLOCALHOST, SAPLOCALHOSTFULL, SAPGLOBALHOST, RUN_RSCPFROM_CRR, MAIN_NEWBAS , KBA , BC-UPG-TLS-TLA , Upgrade tools for ABAP , Problem