No, please tell the user. They’ve got their big boy pants on and can handle seeing one or two weird squiggles in the worst case, and might be able to actually diagnose and fix the issue themselves (without having to go through support) in the best case.
If it’s a backend/service issue, tell the user, but the bare minimum. You shouldn’t disclose too much info about your system to the end user (think of stack traces, error codes unique to some dependency you’re using) as it may give an attacker some valuable information.
Willing to bet that the backend that they are using doesn’t actually give any useful error messages.
Why use many words when few do trick but for system logs.
Would they surface that to the user anyway? That’s something to log, not to tell the client that xyz service failed because of error 123.
No, please tell the user. They’ve got their big boy pants on and can handle seeing one or two weird squiggles in the worst case, and might be able to actually diagnose and fix the issue themselves (without having to go through support) in the best case.
If it’s a backend/service issue, tell the user, but the bare minimum. You shouldn’t disclose too much info about your system to the end user (think of stack traces, error codes unique to some dependency you’re using) as it may give an attacker some valuable information.