James Stone

@clement-ilango apologies, I missed this part of your latest message: ``` D:\a\realm-dotnet\realm-dotnet\wrappers\realm-core\src\realm/util/encrypted_file_mapping.hpp:184: [realm-core-14.6.1] Assertion failed: local_ndx < m_page_state.size() with (local_ndx, m_page_state.size(), size_t(addr), size_t(m_addr), m_page_shift) = [85, 1, 1549425541120, 1549425508352, 16]...

@clement-ilango sorry, but I am unable to find your attachment when you respond by email to this thread. As far as I can tell, it is a limitation of Github's...

@clement-ilango I have received the files. Thanks for your patience in this process, we will investigate.

We have merged a fix, please try when the next release is available that includes Core v14.10.0

Assertion: https://github.com/realm/realm-swift/blob/master/Realm/RLMObservation.mm#L73

We don't have the actual file path here (we should add this to our exception message) but it could be an android security limitation when using external storage as mentioned...

Observations: Swift version 10.42.0 uses Core v13.17.1. The stack trace points to this line of code: https://github.com/realm/realm-core/blob/v13.17.1/src/realm/group.cpp#L793 which may indicate an invalid atomic is being used.

Hi @jhoanarango thanks for reporting this. Are you able to share any more information to help us track this down? - What realm operations are you doing in `RealmManager.saveLive`? -...

@jhoanarango @chenyanping01 thanks for your feedback. We never did get a repro from this specific issue but I do think the root cause is very likely fixed by https://github.com/realm/realm-core/pull/7830. That...

@chenyanping01 > We got this crash issue from Firebase Crashlytics report. Yes, but `Key 'x' not found in 'y' when nullifying incoming links` is an exception which can be caught....