Jubeat Prop: TypeError: object of type 'NoneType' has no len()

[ivan3612]

After New Card registered, services provided such error in response of get_mdata

192.168.0.90 - - [16/Sep/2024 16:35:25] "POST /?model=L44:J:C:A:2016031700&module=gametop&method=get_mdata HTTP/1.1" 200 - Received request: 0 31074902 <mdata_ver __type="s8">2</mdata_ver> false

Traceback (most recent call last): File "E:\Jubeat\bemaniutils-trunk\bemani\utils\services.py", line 65, in receive_request resp = dispatch.handle(req) ^^^^^^^^^^^^^^^^^^^^ File "E:\Jubeat\bemaniutils-trunk\bemani\backend\dispatch.py", line 150, in handle response = handler(request) ^^^^^^^^^^^^^^^^ File "E:\Jubeat\bemaniutils-trunk\bemani\backend\jubeat\prop.py", line 612, in handle_gametop_get_mdata_request root = self.get_scores_by_extid(extid, mdata_ver, 3) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "E:\Jubeat\bemaniutils-trunk\bemani\backend\jubeat\base.py", line 182, in get_scores_by_extid if len(scores) < 50: ^^^^^^^^^^^ TypeError: object of type 'NoneType' has no len()