Can't add rows to Multi-Row Variable set on Service Portal. It shows a blank modal.Issue A Multi-row variable set (MVSR) doesn't work on the record producer on Service Portal. The table view of the MRVS shows on the page, but clicking Add does not show any of the MRVS fields in the modal (see screenshot). The logs show the following messages:Evaluator: java.lang.NullPointerException Caused by error in sp_widget.48335f2973130300f49d0690fdf6a7d4.script at line 42 com.glide.service_portal.variables.VariableModel.getMappedFieldLength(VariableModel.java:436) com.glide.service_portal.variables.VariableModel.getMaxLength(VariableModel.java:403) com.glide.service_portal.variables.VariableModel.buildVariable(VariableModel.java:345)GlideSession message was modified by sanitization. [message=Failing widget: 'Table Variable Active Row' (48335f2973130300f49d0690fdf6a7d4) called from: 'modal' (b89096930b211200b0b02c6317673a2c)][sanitized=Failing widget: 'Table Variable Active Row' (48335f2973130300f49d0690fdf6a7d4) called from: 'modal' (b89096930b211200b0b02c6317673a2c)]CauseOne of the variables in the variable set has an empty name field leading to a Null pointer exception.ResolutionMake sure that all the variables in the variable set have the name field populated.Related LinksMulti Row variable set is not working in Service portal Service catalog variable sets