I have an understanding of what the problem is.
1) The data is loaded using the "Import data from spreadsheets" processing, the data is not taken from a file, but specified in a tabular document.
2) Configuration 1C:ERP WE (2.5.7.294)
The solution was as follows, in order to process will be able to convert data into date format, it is necessary to specify the data in the tabular document in the format "20220225"