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4xx Client Error
417
Expectation Failed
The server cannot meet the requirements of the Expect header.
What it means
A 417 Expectation Failed response indicates the server cannot meet the requirements specified in the request's Expect header field, such as Expect: 100-continue.
Common causes
- The server does not support the value provided in the Expect header.
How to fix it
- Remove the Expect header or use a value the server supports.
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