06 Largescale with cellcaching sqlite3

08:23:31 ERROR: Unable to set Cell Caching using SQLite3 method, reverting to memory
08:23:31 Create new Spreadsheet object
08:23:31 Set properties
08:23:31 Add data
08:23:31 Hide 'Phone' and 'fax' columns
08:23:31 Set outline levels
08:23:31 Freeze panes
08:23:31 Rows to repeat at top
08:23:32 Write Xlsx format to /tmp/phpspreadsheet/06_Largescale_with_cellcaching_sqlite3.xlsx in 0.1473 seconds
08:23:32 Write Xls format to /tmp/phpspreadsheet/06_Largescale_with_cellcaching_sqlite3.xls in 0.0578 seconds
08:23:32 Peak memory usage: 24MB