php error happened

Technical information
Error type2
Error descriptionrequire_once(include/export_functions.php) [function.require-once]: failed to open stream: No such file or directory
URLwww.oaklandtownshiphistoricalsociety.org/Noble Photos List/output/Noble_Photos_Report_export.php?all=1&format=excel
Error file/home/content/69/3732069/html/OTHS/Noble Photos List/output/Noble_Photos_Report_export.php
Error line65
SQL query

More info