Recalculation error on 2.1.26

An error pops up at the end of the recalculation process.
An error occurred. Please start Anki while holding down the shift key, which will temporarily disable the add-ons you have installed.
If the issue only occurs when add-ons are enabled, please use the Tools > Add-ons menu item to disable some add-ons and restart Anki, repeating until you discover the add-on that is causing the problem.
When you've discovered the add-on that is causing the problem, please report the issue on the add-on support site.
Debug info:
Anki 2.1.26 (70784154) Python 3.8.0 Qt 5.13.1 PyQt 5.14.1
Platform: Mac 10.14.6
Flags: frz=True ao=True sv=2
Add-ons, last update check: 2020-06-11 21:32:27
Add-ons possibly involved: ⁨MorphMan for Anki 21⁩

Caught exception:
Traceback (most recent call last):
  File "/Users/jmartinezlago/Library/Application Support/Anki2/addons21/900801631/__init__.py", line 14, in onMorphManRecalc
    main.main()
  File "/Users/jmartinezlago/Library/Application Support/Anki2/addons21/900801631/morph/main.py", line 443, in main
    knownDb = updateNotes(allDb)
  File "/Users/jmartinezlago/Library/Application Support/Anki2/addons21/900801631/morph/main.py", line 395, in updateNotes
    mw.col.db.executemany(
  File "anki/dbproxy.py", line 92, in executemany
  File "anki/rsbackend.py", line 459, in db_execute_many
  File "anki/rsbackend.py", line 471, in _db_command
ankirspy.DBError: JSONError { info: "invalid type: map, expected a sequence" }
kaegi / MorphMan

Recalculation error on 2.1.26 #139
