06 Largescale with cellcaching sqlite3

05:34:25 ERROR: Unable to set Cell Caching using SQLite3 method, reverting to memory
05:34:25 Create new Spreadsheet object
05:34:25 Set properties
05:34:25 Add data
05:34:25 Hide 'Phone' and 'fax' columns
05:34:25 Set outline levels
05:34:25 Freeze panes
05:34:25 Rows to repeat at top
05:34:26 Write Xlsx format to /tmp/phpspreadsheet/06_Largescale_with_cellcaching_sqlite3.xlsx in 0.5072 seconds
05:34:26 Write Xls format to /tmp/phpspreadsheet/06_Largescale_with_cellcaching_sqlite3.xls in 0.3208 seconds
05:34:26 Peak memory usage: 8MB