The following error occurred

[LMJOK]

I am currently applying for an API for Semantic Scholar, so for the time being I am switching to the API for Core.ac.uk. I have the following output, which is either correct or incorrect for some reason.These mistakes are repeated all the time

Response Status Code: 200
Response Content: {"totalHits":5268,"limit":10,"offset":0,"results":[{"arxivId":null,"authors":[{"name":"Kasabov, N"},{"name":"Minchev, S."},{"name":"Venkov, G."}],"contributors":[],"outputs":["https://api.core.ac.uk/v3/outputs/301324632","https://api.core.ac.uk/v3/outputs/56361391"],"createdDate":"2016-11-12T14:25:12","dataProviders":[{"id":1128,"name":"","url":"https://api.core.ac.uk/v3/data-providers/1128","logo":"https://api.core.ac.uk/data-providers/1128/logo"},{"id":10841,"name":"","url"
Error: 'venue'

Backing off 9.2 seconds after 7 tries calling function search_for_papers at 17:33:48
Response Status Code: 429
Response Content:
Backing off 86.1 seconds after 8 tries calling function search_for_papers at 17:33:58
Response Status Code: 200
Response Content: {"totalHits":7734,"limit":10,"offset":0,"results":[{"arxivId":"2005.09940","authors":[{"name":"Ha, Thanh-Le"},{"name":"Nguyen, Thai-Son"},{"name":"Nguyen, Tuan-Nam"},{"name":"Niehues, Jan"},{"name":"Pham, Ngoc-Quan"},{"name":"Salesky, Elizabeth"},{"name":"Stueker, Sebastian"},{"name":"Waibel, Alexander"}],"contributors":["RS: FSE DACS","DKE Scientific staff","Dept. of Advanced Computing Sciences"],"outputs":["https://api.core.ac.uk/v3/outputs/473938053","https://api.core.ac.uk/v3/output
Error: 'venue'
Response Status Code: 200
Response Content: {"totalHits":6329,"limit":10,"offset":0,"results":[{"arxivId":"1903.09848","authors":[{"name":"Platanios, Emmanouil Antonios"},{"name":"Stretcu, Otilia"},{"name":"Neubig, Graham"},{"name":"Poczos, Barnabas"},{"name":"Mitchell, Tom M."}],"contributors":[],"outputs":["https://api.core.ac.uk/v3/outputs/232754245","https://api.core.ac.uk/v3/outputs/232757968"],"createdDate":"2019-06-02T02:00:02","dataProviders":[{"id":144,"name":"","url":"https://api.core.ac.uk/v3/data-providers/144",
Error: 'venue'
Response Status Code: 200
Response Content: {"totalHits":9275,"limit":10,"offset":0,"results":[{"arxivId":"1901.11150","authors":[{"name":"Anil, Rohan"},{"name":"Gupta, Vineet"},{"name":"Koren, Tomer"},{"name":"Singer, Yoram"}],"contributors":[],"outputs":["https://api.core.ac.uk/v3/outputs/599420794"],"createdDate":"2019-02-06T06:54:18","dataProviders":[{"id":144,"name":"","url":"https://api.core.ac.uk/v3/data-providers/144","logo":"https://api.core.ac.uk/data-providers/144/logo"},{"id":15201,"name":"","url":"https://api
Error: 'venue'
Response Status Code: 200

[callor]

You must have a Semantic Scholar API key to operate this feature.

[LMJOK]

You must have a Semantic Scholar API key to operate this feature.您必须拥有一个 Semantic Scholar API 密钥才能使用此功能。

This is what happens when I use the core API. However, I have been applying for the Semantic Scholar API for over a week and have not yet succeeded.