Steps to Reproduce:
Run:
[true][timestamp * 0]
at [[Special:AbuseFilter/test]]
(it looks like timestamp is set to undefined value in Special:AbuseFilter/test).
Or: evaluate
false & (a := 0); [true][a]
in the expression evaluator.
Actual Results:
Internal Error [Xb@VvgpAIDAAABg0VfcAAADA] 2019-11-04 03:06:38: การยกเว้นข้อผิดพลาดร้ายแรงของประเภท "AFPException"
(at thwiki)
and
"error": { "code": "internal_api_error_AFPException", "info": "[Xb@1UQpAIDQAAKo@jBsAAACE] Caught exception of type AFPException", "errorclass": "AFPException" }, "servedby": "mw1340" }
Expected Results:
A proper error should be raised.