BibBase: Error retrieving bibtex file.
Request was:
http://https%3A%2F%2Fapi.zotero.org%2Fusers%2F4976940%2Fcollections%2FD8RLYM4S%2Fitems%3Fkey%3DqgktU7jnJLFTdBITankJ8mon%26format%3Dbibtex%26limit%3D100
{
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  Connection: 'keep-alive',
  'Keep-Alive': 'timeout=300, max=1000'
}