+ (instancetype)appIMRealmWithFilePath:(NSString *)filePath {
    RLMRealm *realm;
    @try {
        NSError *error;
        realm = [RLMRealm realmWithConfiguration:[self imrealmConfigurationWithFilePath:filePath] error:&error];
        if (error) {
            [NSException raise:@"realm open error" format:@""];
        }
        return realm;
    } @catch (NSException *e) {
        NSLog(@"realm exception %@ --> %@", filePath, e);
    }

    return [self getAllNewIMRealm];
}

+ (RLMRealmConfiguration *)imrealmConfigurationWithFilePath:(NSString *)filePath {
    RLMRealmConfiguration *configuration = [RLMRealmConfiguration defaultConfiguration];
    configuration.schemaVersion = (uint64_t)[self getCurrentIMDBVersion];
    configuration.fileURL = [NSURL fileURLWithPath:filePath];
    configuration.migrationBlock = ^(RLMMigration *migration, uint64_t oldSchemaVersion) {
        // Nothing to do!
        // Realm will automatically detect new properties and removed properties
        // And will update the schema on disk automatically
    };
    return configuration;
}

Exception Type:  SIGSEGV
Exception Codes: SEGV_MAPERR at 0x8f29c76b8620
Crashed Thread:  2

Thread 2 Crashed:
0   App                                 0x000000010b5fd9e0 realm::Transaction::Transaction(std::__1::shared_ptr<realm::DB>, realm::SlabAlloc*, realm::DB::ReadLockInfo&, realm::DB::TransactStage) + 272
1   App                                 0x000000010b4ec014 std::__1::shared_ptr<realm::Transaction> (anonymous namespace)::make_transaction_ref<std::__1::shared_ptr<realm::DB>, realm::SlabAlloc*, realm::DB::ReadLockInfo&, realm::DB::TransactStage>(std::__1::shared_ptr<realm::DB>&&, realm::SlabAlloc*&&, realm::DB::ReadLockInfo&&&, realm::DB::TransactStage&&) + 84
2   App                                 0x000000010b4e68f0 realm::DB::start_read(realm::VersionID) + 268
3   App                                 0x000000010b775584 realm::Realm::begin_read(realm::VersionID) + 48
4   App                                 0x000000010b7754f0 realm::Realm::transaction() + 104
5   App                                 0x000000010b7765c4 realm::Realm::do_refresh() + 416
6   App                                 0x000000010b77635c realm::Realm::get_full_schema() + 44
7   App                                 0x000000010b776a1c realm::Realm::update_schema(realm::Schema, unsigned long long, std::__1::function<void (std::__1::shared_ptr<realm::Realm>, std::__1::shared_ptr<realm::Realm>, realm::Schema&)>, std::__1::function<void (std::__1::shared_ptr<realm::Realm>)>, bool) + 232
8   App                                 0x000000010a3fe378 +[RLMRealm realmWithConfiguration:confinedTo:error:] (RLMRealm.mm:489)
9   App                                 0x000000010553c77c +[RLMRealm realmWithConfiguration:error:] (RLMRealm.mm:383)
10  App                                 0x000000010a28afd8 +[RLMRealm(AppIM) appIMRealmWithFilePath:] (RLMRealm+AppIM.m:88)
11  App                                 0x0000000107df9ac0 +[RLMRealm(AppIM) appimRealm] (RLMRealm+AppIM.m:189)


Thread 0:
0   App                                 0x00000001061187f4 std::__1::unique_ptr<std::__1::__hash_node_base<std::__1::__hash_node<std::__1::__hash_value_type<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, fbsdk::MTensor>, void*>*>* [], std::__1::__bucket_list_deallocator<std::__1::allocator<std::__1::__hash_node_base<std::__1::__hash_node<std::__1::__hash_value_type<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, fbsdk::MTensor>, void*>*>*> > >::~unique_ptr() (memory:2522)
1   App                                 0x0000000107752cd0 std::__1::__hash_table<std::__1::__hash_value_type<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, fbsdk::MTensor>, std::__1::__unordered_map_hasher<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, std::__1::__hash_value_type<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, fbsdk::MTensor>, std::__1::hash<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > >, true>, std::__1::__unordered_map_equal<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, std::__1::__hash_value_type<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, fbsdk::MTensor>, std::__1::equal_to<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > >, true>, std::__1::allocator<std::__1::__hash_value_type<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, fbsdk::MTensor> > >::~__hash_table() (__hash_table:1545)
2   App                                 0x0000000107a34868 std::__1::__hash_table<std::__1::__hash_value_type<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, fbsdk::MTensor>, std::__1::__unordered_map_hasher<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, std::__1::__hash_value_type<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, fbsdk::MTensor>, std::__1::hash<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > >, true>, std::__1::__unordered_map_equal<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, std::__1::__hash_value_type<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, fbsdk::MTensor>, std::__1::equal_to<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > >, true>, std::__1::allocator<std::__1::__hash_value_type<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, fbsdk::MTensor> > >::~__hash_table() (__hash_table:1533)
3   App                                 0x000000010614fedc std::__1::unordered_map<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, fbsdk::MTensor, std::__1::hash<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > >, std::__1::equal_to<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > >, std::__1::allocator<std::__1::pair<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const, fbsdk::MTensor> > >::~unordered_map() (unordered_map:972)
4   App                                 0x00000001076b9e30 std::__1::unordered_map<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, fbsdk::MTensor, std::__1::hash<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > >, std::__1::equal_to<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > >, std::__1::allocator<std::__1::pair<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const, fbsdk::MTensor> > >::~unordered_map() (unordered_map:970)
5   libsystem_c.dylib                   0x00000001968dd290 __cxa_finalize_ranges + 404
6   libsystem_c.dylib                   0x00000001968dd5e4 exit + 24
7   UIKitCore                           0x000000018ff48118 -[UIApplication _terminateWithStatus:] + 500
8   UIKitCore                           0x000000018f5943c0 -[_UISceneLifecycleMultiplexer _evalTransitionToSettings:fromSettings:forceExit:withTransitionStore:] + 124
9   UIKitCore                           0x000000018f593ff0 -[_UISceneLifecycleMultiplexer forceExitWithTransitionContext:scene:] + 216
10  UIKitCore                           0x000000018ff3dbe8 -[UIApplication workspaceShouldExit:withTransitionContext:] + 208