Setting a field to be non-mandatory with g_form.setMandatory makes the field mandatoryDescriptionWhen client script is used to make a field not mandatory, the field is instead made mandatory.Steps to Reproduce Create a client script to make the Short Description field of a change request NOT mandatory.An example client script is attached to this article.Open a change request record. Note that the Short Description field does not appear to be mandatory.Clear the Short Description field and try to save the record.A warning is displayed stating that the short description is mandatory and the record cannot be saved. WorkaroundWork around the issue by setting your script to use a boolean argument rather than a string: Before: g_form.setMandatory(field, 'false') After: g_form.setMandatory(field, false);Related Problem: PRB706263