App crashing for users, coreautolayout issue with error negativeErrorVarForBrokenConstraintWithMarker

Hi All,

Our crash reporting solution show app crashes for the user with crash reports which are not getting symbolicating to anything useful.

it just says, App crashed on thread 0 (CoreAutoLayout -[NSISEngine negativeErrorVarForBrokenConstraintWithMarker:errorVar:]

with it ending up on main.swift file.

We have not able to replicate at our end, and it is happening only for a small fraction of our user (< 1%). This issue is spread across multiple iOS versions and device models.

We have verified all our UI actions are being done on main thread.

Any pointers for solving this are welcome.

Regards, Ishan

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