Traceback:
TypeError: Cannot read property 'split' of undefined
    at Class.compute (https://squarenuts-support-20191128-cth.odoo.com/web/content/960-bac8817/web.assets_backend.js:321:609)
    at evalModifier (https://squarenuts-support-20191128-cth.odoo.com/web/content/960-bac8817/web.assets_backend.js:1196:91)
    at Class._evalModifiers (https://squarenuts-support-20191128-cth.odoo.com/web/content/960-bac8817/web.assets_backend.js:1198:60)
    at https://squarenuts-support-20191128-cth.odoo.com/web/content/960-bac8817/web.assets_backend.js:1019:150
    at Function._.mapObject (https://squarenuts-support-20191128-cth.odoo.com/web/content/959-558a320/web.assets_common.js:149:233)
    at Class._evalColumnInvisibleFields (https://squarenuts-support-20191128-cth.odoo.com/web/content/960-bac8817/web.assets_backend.js:1019:76)
    at Class._render (https://squarenuts-support-20191128-cth.odoo.com/web/content/960-bac8817/web.assets_backend.js:1022:144)
    at Class.prototype.<computed> [as _render] (https://squarenuts-support-20191128-cth.odoo.com/web/content/959-558a320/web.assets_common.js:3863:488)
    at https://squarenuts-support-20191128-cth.odoo.com/web/content/960-bac8817/web.assets_backend.js:823:1408