Cannot get past login - parcel.royalmail.com

[MrD2018]

I can log in but I just get a page with a spinner and the Royal mail logo. The website worked fine before they did an update 2 days ago.

Code: Select all

Timestamp: 08/06/2023 11:29:38
Error: ReferenceError: BigInt is not defined
Source File: https://business.parcel.royalmail.com/app/build/vendors.0a7ccce69401d3f708ce.js
Line: 2

Timestamp: 08/06/2023 11:29:38
Error: Error: [$injector:modulerr] Failed to instantiate module sflite due to:
[$injector:nomod] Module 'sflite' is not available! You either misspelled the module name or forgot to load it. If registering a module ensure that you specify the dependencies as the second argument.

https://errors.angularjs.org/1.8.2/$injector/modulerr?p0=sflite&p1=%5B%24injector%3Anomod%5D%20Module%20'sflite'%20is%20not%20available!%20You%20either%20misspelled%20the%20module%20name%20or%20forgot%20to%20load%20it.%20If%20registering%20a%20module%20ensure%20that%20you%20specify%20the%20dependencies%20as%20the%20second%20argument.%0Ahttps%3A%2F%2Ferrors.angularjs.org%2F1.8.2%2F%24injector%2Fnomod%3Fp0%3Dsflite%0Ai%2F%3C%40https%3A%2F%2Fbusiness.parcel.royalmail.com%2Fapp%2Fbuild%2Fvendors.0a7ccce69401d3f708ce.js%3A2%3A530956%0A%5B74426%5D%2F%3C%2F%3C%2Fu%3C%2F%3C%2F%3C%2F%3C%40https%3A%2F%2Fbusiness.parcel.royalmail.com%2Fapp%2Fbuild%2Fvendors.0a7ccce69401d3f708ce.js%3A2%3A709908%0Ar%40https%3A%2F%2Fbusiness.parcel.royalmail.com%2Fapp%2Fbuild%2Fvendors.0a7ccce69401d3f708ce.js%3A2%3A709593%0A%5B74426%5D%2F%3C%2F%3C%2Fu%3C%2F%3C%2F%3C%40https%3A%2F%2Fbusiness.parcel.royalmail.com%2Fapp%2Fbuild%2Fvendors.0a7ccce69401d3f708ce.js%3A2%3A709878%0Ay%2F%3C%40https%3A%2F%2Fbusiness.parcel.royalmail.com%2Fapp%2Fbuild%2Fvendors.0a7ccce69401d3f708ce.js%3A2%3A554698%0Ak%40https%3A%2F%2Fbusiness.parcel.royalmail.com%2Fapp%2Fbuild%2Fvendors.0a7ccce69401d3f708ce.js%3A2%3A531661%0Ay%40https%3A%2F%2Fbusiness.parcel.royalmail.com%2Fapp%2Fbuild%2Fvendors.0a7ccce69401d3f708ce.js%3A2%3A554643%0AXt%40https%3A%2F%2Fbusiness.parcel.royalmail.com%2Fapp%2Fbuild%2Fvendors.0a7ccce69401d3f708ce.js%3A2%3A553972%0Ai%40https%3A%2F%2Fbusiness.parcel.royalmail.com%2Fapp%2Fbuild%2Fvendors.0a7ccce69401d3f708ce.js%3A2%3A539893%0ALe%40https%3A%2F%2Fbusiness.parcel.royalmail.com%2Fapp%2Fbuild%2Fvendors.0a7ccce69401d3f708ce.js%3A2%3A540208%0A%5B74426%5D%2F%3C%2F%3C%2F%3C%40https%3A%2F%2Fbusiness.parcel.royalmail.com%2Fapp%2Fbuild%2Fvendors.0a7ccce69401d3f708ce.js%3A2%3A714400%0A%5B74426%5D%2F%3C%2F%3C%40https%3A%2F%2Fbusiness.parcel.royalmail.com%2Fapp%2Fbuild%2Fvendors.0a7ccce69401d3f708ce.js%3A2%3A714417%0An%40https%3A%2F%2Fbusiness.parcel.royalmail.com%2Fapp%2Fbuild%2Fvendors.0a7ccce69401d3f708ce.js%3A2%3A546267%0A
Source File: https://business.parcel.royalmail.com/app/build/vendors.0a7ccce69401d3f708ce.js
Line: 2

[Moonchild]

Unfortunately Royal Mail is using the BigInt primitive type for their login (for whomever knows what reason... -- it's a login, why does it need exceedingly-large integer math for that?) which is not currently supported by Pale Moon.

There may be workarounds possible with on-the-fly rewriting of page content as has been suggested for other sites with similar problems, but I'll leave that up to the ones more familiar with that method to help with.