BibBase: Error retrieving bibtex file.
Request was:
http://https%3A%2F%2Fapi.zotero.org%2Fusers%2F7056767%2Fcollections%2FTU937MQH%2Fitems%3Fkey%3DLR4W66x3ngpsKHxc0pWJvM3g%26format%3Dbibtex%26limit%3D100 { 'User-Agent': 'bibbase', Connection: 'keep-alive', 'Keep-Alive': 'timeout=300, max=1000' }