06 Largescale with cellcaching sqlite3

20:02:26 ERROR: Unable to set Cell Caching using SQLite3 method, reverting to memory
20:02:26 Create new Spreadsheet object
20:02:26 Set properties
20:02:26 Add data
20:02:26 Hide 'Phone' and 'fax' columns
20:02:26 Set outline levels
20:02:26 Freeze panes
20:02:26 Rows to repeat at top
20:02:27 Write Xlsx format to /tmp/phpspreadsheet/06_Largescale_with_cellcaching_sqlite3.xlsx in 0.7258 seconds
20:02:27 Write Xls format to /tmp/phpspreadsheet/06_Largescale_with_cellcaching_sqlite3.xls in 0.2664 seconds
20:02:27 Peak memory usage: 24MB