Telegram no working

[jkvint]

python crawler.py
2019-09-12 11:59:10,063 Notifier loading failed, check config for errors
Traceback (most recent call last):
File "crawler.py", line 190, in
NOTIFIER = getattr(_NOTIFIER_MODULE, _NOTIFIER_CLASSNAME)(_CONFIG)
File "/home/jkvint/kimsufi-crawler/notifiers/telegram_notifier.py", line 18, in init
super().init(config)

[jkvint]

No answer from API: {u'answer': None, u'version': u'1.0', u'id': 0, u'error': {u'status': u'252', u'message': u"Unknown function 'dedicated#getAvailability2'", u'__class': u'result:error', u'value': None, u'exceptionType': u'Unavailable'}}

This is if you reconfigure to email

[jkvint]

Telegram worked only python3

[jkvint]

Only error left No answer from API: {'answer': None, 'version': '1.0', 'error': {'__class': 'result:error', 'value': None, 'status': '252', 'exceptionType': 'Unavailable', 'message': "Unknown function 'dedicated#getAvailability2'"}, 'id': 0}

[jkvint]

Can you check the script? Problem with api?