06 Largescale with cellcaching sqlite3

12:35:19 ERROR: Unable to set Cell Caching using SQLite3 method, reverting to memory
12:35:19 Create new Spreadsheet object
12:35:19 Set properties
12:35:19 Add data
12:35:19 Hide 'Phone' and 'fax' columns
12:35:19 Set outline levels
12:35:19 Freeze panes
12:35:19 Rows to repeat at top
12:35:20 Write Xlsx format to /tmp/phpspreadsheet/06_Largescale_with_cellcaching_sqlite3.xlsx in 0.9551 seconds
12:35:20 Write Xls format to /tmp/phpspreadsheet/06_Largescale_with_cellcaching_sqlite3.xls in 0.3224 seconds
12:35:20 Peak memory usage: 24MB