You are trying to work with your production tenant in Offline mode using the Google Chrome offline simulator link:
SAP Hybris Cloud for Customer Extended Edition
Reproducing the Issue
Enter the URL link in the address bar in Google Chrome.
- A blank page with error message "An exception was raised." appears.
Offline in Chrome browser is not supported in production tenants due to security reasons. It is productively only supported in the apps.
Extended edition, app, offline, Chrome, browser, simulator, mobile , KBA , offline , mobile , simulator , extended edition , app , chrome , browser , AP-RC-MOB-IPD , SAP Hybris Cloud for Customer Extended App on iOS , How To
SAP Cloud for Customer add-ins 1805