06 Largescale with cellcaching sqlite3

16:56:41 ERROR: Unable to set Cell Caching using SQLite3 method, reverting to memory
16:56:41 Create new Spreadsheet object
16:56:41 Set properties
16:56:41 Add data
16:56:41 Hide 'Phone' and 'fax' columns
16:56:41 Set outline levels
16:56:41 Freeze panes
16:56:41 Rows to repeat at top
16:56:42 Write Xlsx format to /tmp/phpspreadsheet/06_Largescale_with_cellcaching_sqlite3.xlsx in 0.3072 seconds
16:56:42 Write Xls format to /tmp/phpspreadsheet/06_Largescale_with_cellcaching_sqlite3.xls in 0.1497 seconds
16:56:42 Peak memory usage: 24MB