SET send_logs_level = 'none'; DROP TABLE IF EXISTS Issue_2231_Invalid_Nested_Columns_Size; CREATE TABLE Issue_2231_Invalid_Nested_Columns_Size ( Date Date, NestedColumn Nested( ID Int32, Count Int64 ) ) Engine = MergeTree PARTITION BY tuple() ORDER BY Date; INSERT INTO Issue_2231_Invalid_Nested_Columns_Size VALUES (today(), [2,2], [1]), (today(), [2,2], [1, 1]); -- { serverError 190 } SELECT * FROM Issue_2231_Invalid_Nested_Columns_Size; DROP TABLE Issue_2231_Invalid_Nested_Columns_Size;