11:07:40 Create new PHPExcel object
11:07:40 Set document properties
11:07:40 Add some data
11:07:40 Add comments
11:07:40 Add rich-text string
11:07:40 Merge cells
11:07:40 Protect cells
11:07:40 Set cell number formats
11:07:40 Set column widths
11:07:40 Set fonts
11:07:40 Set alignments
11:07:40 Set thin black border outline around column
11:07:40 Set thick brown border outline around Total
11:07:40 Set fills
11:07:40 Set style for header row using alternative method
11:07:40 Unprotect a cell
11:07:40 Add a hyperlink to the sheet
11:07:40 Add a drawing to the worksheet
11:07:40 Add a drawing to the worksheet
11:07:40 Add a drawing to the worksheet
11:07:40 Play around with inserting and removing rows and columns
11:07:40 Set header/footer
11:07:40 Set page orientation and size
11:07:40 Rename first worksheet
11:07:40 Create a second Worksheet object
11:07:40 Add some data
11:07:40 Set the worksheet tab color
11:07:40 Set alignments
11:07:40 Set column widths
11:07:40 Set fonts
11:07:40 Add a drawing to the worksheet
11:07:40 Set page orientation and size
11:07:40 Rename second worksheet
11:07:40 Write to CSV format<br /><br />
<b>Fatal error</b>:  Uncaught Error: Class 'PHPExcel_Calculation_Functions' not found in /home/tyesolutions/public_html/lib/excel/Classes/PHPExcel/Calculation.php:2520
Stack trace:
#0 /home/tyesolutions/public_html/lib/excel/Classes/PHPExcel/Calculation.php(3032): PHPExcel_Calculation-&gt;_showValue(Array)
#1 /home/tyesolutions/public_html/lib/excel/Classes/PHPExcel/Calculation.php(2327): PHPExcel_Calculation-&gt;_processTokenStack(Array, 'E4', Object(PHPExcel_Cell))
#2 /home/tyesolutions/public_html/lib/excel/Classes/PHPExcel/Calculation.php(2164): PHPExcel_Calculation-&gt;_calculateFormulaValue('IF(D4&lt;&gt;&quot;&quot;,C4*D4...', 'E4', Object(PHPExcel_Cell))
#3 /home/tyesolutions/public_html/lib/excel/Classes/PHPExcel/Cell.php(297): PHPExcel_Calculation-&gt;calculateCellValue(Object(PHPExcel_Cell), true)
#4 /home/tyesolutions/public_html/lib/excel/Classes/PHPExcel/Worksheet.php(2415): PHPExcel_Cell-&gt;getCalculatedValue()
#5 /home/tyesolutions/public_html/lib/excel/Classes/PHPExcel/Writer/CSV.php(140): PHPExcel_Worksheet-&gt;rangeToArray('A4:J4', '', true)
# in <b>/home/tyesolutions/public_html/lib/excel/Classes/PHPExcel/Calculation.php</b> on line <b>2520</b><br />