Weird error when trying to update inventorydetails

[joebordes]

that is an indication that $currentModule or $_REQUEST['module'] are not set. The code leading to that probably does something like

PHP Code:

include "modules/$currentModule/$currentModule.php"; 


look for that piece of code, probably in include/utils/CommonUtils.php, and add a var_dump($_REQUEST,$currentModule); or debug_print_backtrace to see if you can find what is missing