Same issue.. and same wordpress environment.
log is as below:
02-17-2022 @ 12:33:14 – Failed to connect to Facebook. Facebook API returned error code: {\”error\”:{\”message\”:\”This authorization code has been used.\”,\”type\”:\”OAuthException\”,\”code\”:100,\”error_subcode\”:36009,\”fbtrace_id\”:\”AIn0xsPG5V7xh5ixF61DASS\”}}
