PGIM 5.1 Trend Freeze, canno acces 800xA CS

We have PGIM which was integrated with 800xA system. Trend on the Signal Explorer was Freeze and failed to connect Conectivity Server. acces CS by pinging is OK.
status of localhost:89 on PGIM is OK, all service running.
is there anyone who has this experience and how to solve it?
error log on scan man of CS attached

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