https://kinsta.com/knowledgebase/400-bad-request/
Quote:
A 400 Bad Request error is a generic client error that occurs when the server determines that the error doesn’t fall in any of the other status code categories. This error is related to the submitted request from the client before it is even processed by the server.
Support
What Causes the HTTP 400 Bad Request Error?
https://forums.tomshardware.com/thre...ports.1917206/
There are various root causes that can trigger the 400 Bad Request error, and even if this error isn’t specific to any particular browser or OS (operating system), the fixes do vary slightly.
URL String Syntax Error
Corrupted Browser Cache & Cookies
DNS Lookup Cache
File Size Too Large
Generic Server Error
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Error Code
Start with clear Browser Cache & Cookies. On your Calibre sync app go to setting and clear all data.
bernie
P.S.
I use port 9095. Some ISP's block port 8080.
Quote:
Originally Posted by thegameksk
No 8080 or 8081 is popping up. Also if I try to view content server in browser in givesd me error 400
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