when trying to add a medicine to the pts prescription, upscrolling releals this error.
below error is displayed
/home3/xxxx/xxxxn/xxxx/sites/default/documents/smarty/main/fe74c11c83a50ef16cb9837991205ac27bb96eeb_0.file.general_edit.html.php on line 137
Warning: Attempt to read property "value" on null in /home3/xxxx/xxxxn/xxxx/sites/default/documents/smarty/main/fe74c11c83a50ef16cb9837991205ac27bb96eeb_0.file.general_edit.html.php on line 137
how to fix this pl.