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Maybe not a direct solution to your particular issue, but definitely a worthy workaround. See here on how to create libraries with web services:
https://studio.uipath.com/docs/loading-web-services-in-libraries
Also, see here for a blog that explains in even more detail with example of using the Orchestrator API:
ashokkarale
MD_Farhan1
Ajay_Mishra
postwick
Dheerendra_vishwakarma
Anil_G
chandreshsinh.jadeja
Gautham_Pattabiraman
vrdabberu
aravindbalineni123