CSV Import Error

Hello,
I downloaded the events import example csv file and tried to import it. When I imported, there was an error saying the following:
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Import Events
array(16) { [0]=> string(5) “title” [1]=> string(10) “start date” [2]=> string(8) “end date” [3]=> string(4) “time” [4]=> string(8) “location” [5]=> string(15) “details Cycling” [6]=> string(6) “1/1/15” [7]=> string(0) “” [8]=> string(8) “17:00:00” [9]=> string(7) “at home” [10]=> string(28) “This is a test entry. Hiking” [11]=> string(6) “2/2/20” [12]=> string(10) “04.10.2020” [13]=> string(8) “10:00:00” [14]=> string(16) “in the mountains” [15]=> string(28) “TestTest?
2nd test entry.” } array(6) { [0]=> string(5) “title” [1]=> string(10) “start date” [2]=> string(8) “end date” [3]=> string(4) “time” [4]=> string(8) “location” [5]=> string(7) “details” }
Sorry, there has been an error.

There was an error when reading this CSV file.
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Please help.
Thanks in advance

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