Received "Undefined" data for 2021-2-20. Too many streams?

[LooOOooM]

For some reasons scraper is not working anymore for me. I reseive the following. Tuninx down max streams does not help. A manual copy paste of the Url works.
All files in data are empty.

Any idears ?

Fetching: 2021-2-18 - http://bitcoincharts.com/charts/chart.json?m=bitstampUSD&SubmitButton=Draw&r=60&i=1-min&c=1&s=2021-02-18&e=2021-02-18&Prev=&Next=&t=S&b=&a1=&m1=10&a2=&m2=25&x=0&i1=&i2=&i3=&i4=&v=1&cv=0&ps=0&l=0&p=0&
Fetching: 2021-2-19 - http://bitcoincharts.com/charts/chart.json?m=bitstampUSD&SubmitButton=Draw&r=60&i=1-min&c=1&s=2021-02-19&e=2021-02-19&Prev=&Next=&t=S&b=&a1=&m1=10&a2=&m2=25&x=0&i1=&i2=&i3=&i4=&v=1&cv=0&ps=0&l=0&p=0&
Fetching: 2021-2-20 - http://bitcoincharts.com/charts/chart.json?m=bitstampUSD&SubmitButton=Draw&r=60&i=1-min&c=1&s=2021-02-20&e=2021-02-20&Prev=&Next=&t=S&b=&a1=&m1=10&a2=&m2=25&x=0&i1=&i2=&i3=&i4=&v=1&cv=0&ps=0&l=0&p=0&
Fetching: 2021-2-21 - http://bitcoincharts.com/charts/chart.json?m=bitstampUSD&SubmitButton=Draw&r=60&i=1-min&c=1&s=2021-02-21&e=2021-02-21&Prev=&Next=&t=S&b=&a1=&m1=10&a2=&m2=25&x=0&i1=&i2=&i3=&i4=&v=1&cv=0&ps=0&l=0&p=0&
Received "Undefined" data for 2021-2-19. Too many streams? (Data for ome dates are not available, eg: '2011-10-1')
Saved to: data/bitstampUSD-2021-02-19.json
Received "Undefined" data for 2021-2-18. Too many streams? (Data for ome dates are not available, eg: '2011-10-1')
Saved to: data/bitstampUSD-2021-02-18.json
Received "Undefined" data for 2021-2-21. Too many streams? (Data for ome dates are not available, eg: '2011-10-1')
Received "Undefined" data for 2021-2-20. Too many streams? (Data for ome dates are not available, eg: '2011-10-1')
Saved to: data/bitstampUSD-2021-02-21.json
Saved to: data/bitstampUSD-2021-02-20.json