Failed to synchronize data at startup

I encounter the below issue when synchroning my data with WebDAV server, tried full sync with no luck, what should i do?

Failed to synchronize data at startup

The initial synchronization failed at startup. Unpredictable data overwriting may occur if you continue to operate. Please perform a synchronization first

Sync failed: unexpected end of JSON input (Provider: WebDAV) v2.10.10

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    • 88250

      Hello, this should be a configuration problem, such as incorrect authentication. Please check the kernel log (workspace/temp/siyuan.log), which will contain detailed error information.