Cubasis wave edit no longer in sync with recording after edits

Reporting Form

1. Summary/Title
wave editor on longer in sync

2. Description
after some edits the wave editor is on longer in sync, view doesnt match recording. App close needed to fix it . Sporadic.

3. Expected Results

4. Actual Results
see screen movie ( well it is 9MB only 4 are allowed so no video )
reencoded to 3MB:

5. Environment
ipad 7th, cubasis 3 LE full feature set.