Trends stop registration Centum VP

its hard to determine what your problem may be as "Centum VP" is a sweeping statement, many versions and OS version sit under that umbrella.
things to check.
licence manager active, long term archive licence assigned to the right station, trend files are on the station with the licence, has the licence or trend files been moved to another station, are there more than 24 trend files defined on the trend station (if there is you need to remove all of them and put back a maximum of only 24).
 
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