Hi I have a 2 POS from my admin account i cant access the other pos but the pos that i am on it and i get this error

TypeError: Cannot read properties of undefined (reading 'get_unit') at child.initialize (http://localhost:8069/ob_pos_multi_uom/static/src/js/multi_uom.js:14:40) at child.Backbone.Model (http://localhost:8069/point_of_sale/static/lib/backbone/backbone.js:256:21) at child [as constructor] (http://localhost:8069/point_of_sale/static/lib/backbone/backbone.js:1541:41) at new child (http://localhost:8069/point_of_sale/static/lib/backbone/backbone.js:1541:41) at child.init_from_JSON (http://localhost:8069/point_of_sale/static/src/js/models.js:2725:32) at child.init_from_JSON (http://localhost:8069/pos_hr/static/src/js/models.js:83:42) at child.initialize (http://localhost:8069/point_of_sale/static/src/js/models.js:2632:18) at child.initialize (http://localhost:8069/pos_hr/static/src/js/models.js:77:38) at child.Backbone.Model (http://localhost:8069/point_of_sale/static/lib/backbone/backbone.js:256:21) at child [as constructor] (http://localhost:8069/point_of_sale/static/lib/backbone/backbone.js:1541:41)