In Service Portal reference lookup variable will be stuck on loading if the order guide has more than 100 rule base itemsDescriptionIn Service Portal reference lookup variable will be stuck on loading if the order guide has more than 100 rule base itemsSteps to Reproduce Create a catalog item with a single reference variable to the User [sys_user] table2. Create an order guide and include the catalog item created in step 1 in the rule base related list then run the following script below to add about 100 other catalog items to the rule base related list var limit = 100;var count = 0;var orderGuide = <sys id of the order guide you created>;var item_sysid = "";var gr_ruleBase = new GlideRecord("sc_cat_item_guide_items");var gr_catItem = new GlideRecord("sc_cat_item");gr_catItem.addQuery('active', true);gr_catItem.query();while(gr_catItem.next()) { if (count < limit) { gr_ruleBase.initialize(); item_sysid = gr_catItem.sys_id; gr_ruleBase.setValue('guide', orderGuide); gr_ruleBase.setValue('item', item_sysid); gr_ruleBase.insert(); count++; }} 3. Open the order guide created in step 2 in Service Portal then click Next to move to the "Choose Options" section4. Look for the catalog item you created in step 1 then click on the dropdown reference lookup and note it will be stuck on loadingWorkaroundThis problem is currently under review. You can contact ServiceNow Technical Support or subscribe to this Known Error article by clicking the Subscribe button at the top right of this article to be notified when more information becomes available.Related Problem: PRB1498046