06 Largescale with cellcaching sqlite3

03:00:41 ERROR: Unable to set Cell Caching using SQLite3 method, reverting to memory
03:00:41 Create new Spreadsheet object
03:00:41 Set properties
03:00:41 Add data
03:00:41 Hide 'Phone' and 'fax' columns
03:00:41 Set outline levels
03:00:41 Freeze panes
03:00:41 Rows to repeat at top
03:00:42 Write Xlsx format to /tmp/phpspreadsheet/06_Largescale_with_cellcaching_sqlite3.xlsx in 0.4532 seconds
03:00:43 Write Xls format to /tmp/phpspreadsheet/06_Largescale_with_cellcaching_sqlite3.xls in 0.3263 seconds
03:00:43 Peak memory usage: 14MB