06 Largescale with cellcaching sqlite3

00:51:26 ERROR: Unable to set Cell Caching using SQLite3 method, reverting to memory
00:51:26 Create new Spreadsheet object
00:51:26 Set properties
00:51:26 Add data
00:51:26 Hide 'Phone' and 'fax' columns
00:51:26 Set outline levels
00:51:26 Freeze panes
00:51:26 Rows to repeat at top
00:51:27 Write Xlsx format to /tmp/phpspreadsheet/06_Largescale_with_cellcaching_sqlite3.xlsx in 0.4822 seconds
00:51:28 Write Xls format to /tmp/phpspreadsheet/06_Largescale_with_cellcaching_sqlite3.xls in 0.3230 seconds
00:51:28 Peak memory usage: 24MB