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When a DNR message appears on the Global Scan page,check the uptime.log file for messages similar to the following line (numbers will likely be different from example):
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This type of message likely indicates that the Global Scan page is attempting to display recent performance data from an element that has been removed or deleted from up.timeUptime Infrastructure Monitor. To verify this condition, run the following queries to see if there are entries in the entity_latest_data_sample table thatdo not correspond to an existing element in the entity table:
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