06 Largescale with cellcaching sqlite3

14:31:32 ERROR: Unable to set Cell Caching using SQLite3 method, reverting to memory
14:31:32 Create new Spreadsheet object
14:31:32 Set properties
14:31:32 Add data
14:31:32 Hide 'Phone' and 'fax' columns
14:31:32 Set outline levels
14:31:32 Freeze panes
14:31:32 Rows to repeat at top
14:31:33 Write Xlsx format to /tmp/phpspreadsheet/06_Largescale_with_cellcaching_sqlite3.xlsx in 0.3366 seconds
14:31:33 Write Xls format to /tmp/phpspreadsheet/06_Largescale_with_cellcaching_sqlite3.xls in 0.1718 seconds
14:31:33 Peak memory usage: 24MB