http://cydia.akemi.ai or https://cydia.akemi.ai . Use instead: https://cydia.karen.xyz
If you added http://cydia.karen.xyz (not secure), try changing it to https://cydia.karen.xyz . Some older package managers (like old Cydia installations) may fail with HTTPS; in that rare case, use http:// , but https:// is preferred for security and reliability. cydia.akemi.ai not working
Only use the official AppSync Unified package from the official repo (when functional) or official GitHub. Third-party modified versions can break your jailbreak. To give you the most relevant workaround, please tell me: http://cydia