Issue: In Madrid when assigning the variable to null can cause java.lang.NullPointerException and this can also result in variables not displayed on lists/reports.

Steps to Confirm: Please run the below script in background to confirm whether the issue exists in Madrid or not:

1) Login to your instance as "Admin"2) Run the following background script:var gr = new GlideRecord("sc_req_item"); gr.addQuery("number","");gr.query(); gr.next(); gr.variables. = null;gr.update();

3) Exception is encountered.