MuseScore 4 reports error that does not exist in my score.

Error reported:
Voice too long: Full score, measure 99, staff 4, voice 2. Found: 4/8. Expected: 3/8.
Voice too long: Part score: Harpsichord, measure 99, staff 1, voice 2. Found: 4/8. Expected: ⅜.

Actual time values in score are one quarter note followed by one eighth note in both voices and the time signature for the entire score is 3/8. See image of questioned measure attached.