When does this message appear?

A QRadar user reported the following notification:

38750099 C The accumulator was unable to aggregate all events/flows for this interval

When does this message appear?
A . When the aggregate data view configuration that is in memory is unable to write data to the database
B . When the system is unable to accumulate data aggregations within 60 seconds
C . When aggregated data views are disabled
D . When search results is unable to return over 200 unique objects

Answer: B

Explanation:

Reference: https://www.ibm.com/support/knowledgecenter/SSKMKU/com.ibm.qradar.doc/38750099.html