11:19:10 Create new PHPExcel object
11:19:10 Set document properties
11:19:10 Add some data
11:19:10 Add comments
11:19:10 Add rich-text string
11:19:10 Merge cells
11:19:10 Protect cells
11:19:10 Set cell number formats
11:19:10 Set column widths
11:19:10 Set fonts
11:19:10 Set alignments
11:19:10 Set thin black border outline around column
11:19:10 Set thick brown border outline around Total
11:19:10 Set fills
11:19:10 Set style for header row using alternative method
11:19:10 Unprotect a cell
11:19:10 Add a hyperlink to the sheet
11:19:10 Add a drawing to the worksheet
11:19:10 Add a drawing to the worksheet
11:19:10 Add a drawing to the worksheet
11:19:10 Play around with inserting and removing rows and columns
11:19:10 Set header/footer
11:19:10 Set page orientation and size
11:19:10 Rename first worksheet
11:19:10 Create a second Worksheet object
11:19:10 Add some data
11:19:10 Set the worksheet tab color
11:19:10 Set alignments
11:19:10 Set column widths
11:19:10 Set fonts
11:19:10 Add a drawing to the worksheet
11:19:10 Set page orientation and size
11:19:10 Rename second worksheet
11:19:10 Write to HTML 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/Writer/HTML.php(1054): PHPExcel_Cell-&gt;getCalculatedValue()
#5 /home/tyesolutions/public_html/lib/excel/Classes/PHPExcel/Writer/HTML.php(437): PHPExcel_Writer_HTML-&gt;_generateRow(Object(PHPExcel in <b>/home/tyesolutions/public_html/lib/excel/Classes/PHPExcel/Calculation.php</b> on line <b>2520</b><br />