This happens when private mode is turned on in Safari browser in iPhone or iOS, as breadcrumb update function relies on Session Storage which is disabled in private mode. The simplest resolution to this issue is to turn off the private mode. You can use the below Apple safari article for more precise instructions.
Following My Oracle Support article describes this issue.
E-PIA : Breadcrumb Throws Exception Error When Private Browsing Is On In Safari (Doc ID 1645653.1)
This issue happens in PT 8.51 or higher and I have seen it happening in 8.53.12.