Error: The URL cannot be retrieved.

requests /han3/7/6/9/0/0/0/mumbai.aevt.org/affiliaction-registration?nfstatus=401?Return=https://mumbai.aevt.org/affiliaction-registration?nfstatus=401&byp455=true at [01/Apr/2023:11:48:17 +0800].
Reason: No authority for http://mumbai.aevt.org/affiliaction-registration?nfstatus=401?Return=https://mumbai.aevt.org/affiliaction-registration?nfstatus=401&byp455=true