We have been using Realm from the past year, We recently upgraded the application from V6.1.0 to V7.0.0, post this upgrade we are witnessing the crash mentioned, we are using Kotlin for application development with Realm java and lastly, we have enabled DB encryption

Process: com.com.myapp.Application.qa, PID: 31558
java.lang.RuntimeException: Unable to create application com.myapp.Application: io.realm.exceptions.RealmFileException: Opening Realm files of format version 0 is not supported by this version of Realm (Database has an unsupported version and cannot be upgraded
Exception backtrace:
(/data/data/com.myapp.Application:/files/myapp.realm) in /Users/cm/Realm/realm-java-release/realm/realm-library/src/main/cpp/io_realm_internal_OsSharedRealm.cpp line 107 Kind: FORMAT_UPGRADE_REQUIRED.
at io.realm.internal.OsSharedRealm.nativeGetSharedRealm(Native Method)
at io.realm.internal.OsSharedRealm.<init>(OsSharedRealm.java:175)
at io.realm.internal.OsSharedRealm.getInstance(OsSharedRealm.java:251)
at io.realm.BaseRealm.<init>(BaseRealm.java:137)
at io.realm.BaseRealm.<init>(BaseRealm.java:104)
at io.realm.Realm.<init>(Realm.java:163)
at io.realm.Realm.createInstance(Realm.java:499)
at io.realm.RealmCache.createInstance(RealmCache.java:507)
at io.realm.RealmCache.doCreateRealmOrGetFromCache(RealmCache.java:473)
at io.realm.RealmCache.createRealmOrGetFromCache(RealmCache.java:414)
at io.realm.Realm.getDefaultInstance(Realm.java:407)