Error in form administration

I installed a form called “Physical Exam” form admin>form>form admin and installed db and enabled it. However, when I try to access it from the encounter section, it shows the following error. Could you please guide me on how to resolve this issue?

Warning: Undefined array key “id” in C:\xampp\htdocs\openemr\interface\forms\physical_exam\new.php on line 84

Warning: Undefined array key “bn_save” in C:\xampp\htdocs\openemr\interface\forms\physical_exam\new.php on line 88

Warning: Trying to access array offset on value of type null in C:\xampp\htdocs\openemr\interface\forms\physical_exam\new.php on line 36

Warning: Trying to access array offset on value of type null in C:\xampp\htdocs\openemr\interface\forms\physical_exam\new.php on line 38

You need to configure you PHP settings. OpenEMR Dependencies