TypeError: /usr/src/app/views/basket.pug:139
   137| block scripts
   138| script.
 > 139| let initialTotal=!{runningTotal.toFixed(2)};
   140| let runningTotal = initialTotal;
   141| let stripeInit=false;
   142| let paypalInit=false;

Cannot read property 'toFixed' of undefined
   at eval (eval at wrap (/usr/src/app/node_modules/pug-runtime/wrap.js:6:10), <anonymous>:1049:59)
   at template (eval at wrap (/usr/src/app/node_modules/pug-runtime/wrap.js:6:10), <anonymous>:2147:7)
   at Object.exports.renderFile (/usr/src/app/node_modules/pug/lib/index.js:454:38)
   at Object.exports.renderFile (/usr/src/app/node_modules/pug/lib/index.js:444:21)
   at View.exports.__express [as engine] (/usr/src/app/node_modules/pug/lib/index.js:493:11)
   at View.render (/usr/src/app/node_modules/express/lib/view.js:135:8)
   at tryRender (/usr/src/app/node_modules/express/lib/application.js:640:10)
   at Function.render (/usr/src/app/node_modules/express/lib/application.js:592:3)
   at ServerResponse.render (/usr/src/app/node_modules/express/lib/response.js:1008:7)
   at exports.basket (/usr/src/app/controllers/manualController.js:68:14)
   at runMicrotasks (<anonymous>)
   at processTicksAndRejections (internal/process/task_queues.js:93:5)