问参数'custom_events‘或'custom_events_file’对于'CUSTOM_APP_EVENTS‘活动是必需的

EN

FBSDKLog: Error Domain=com.facebook.sdk Code=5 "The operation couldn’t be completed. (com.facebook.sdk error 5.)" UserInfo=0xc5a9cf0 {com.facebook.sdk:HTTPStatusCode=400, com.facebook.sdk:ParsedJSONResponseKey={
    body =     {
        error =         {
            code = 100;
            message = "(#100) The parameter 'custom_events' or 'custom_events_file' is required for the 'CUSTOM_APP_EVENTS' activity";
            type = OAuthException;
        };
    };
    code = 400;
    headers =     (
                {
            name = "Access-Control-Allow-Origin";
            value = "*";
        },
                {
            name = "Cache-Control";
            value = "no-store";
        },
                {
            name = Connection;
            value = close;
        },
                {
            name = "Content-Type";
            value = "text/javascript; charset=UTF-8";
        },
                {
            name = Expires;
            value = "Sat, 01 Jan 2000 00:00:00 GMT";
        },
                {
            name = Pragma;
            value = "no-cache";
        },
                {
            name = "WWW-Authenticate";
            value = "OAuth \"Facebook Platform\" \"invalid_request\" \"(#100) The parameter 'custom_events' or 'custom_events_file' is required for the 'CUSTOM_APP_EVENTS' activity\"";
        },
                {
            name = "x-fb-loadmon";
            value = "0,2.76,90";
        }
    );
}, com.facebook.sdk:ErrorSessionKey=<FBSession: 0x12e5e9c0, state: FBSessionStateOpen, loginHandler: 0x12e58630, appID:..., urlSchemeSuffix: , tokenCachingStrategy:<FBSessionTokenCachingStrategy: 0xd884b00>, expirationDate:..., refreshDate:..., attemptedRefreshDate:..., permissions:...>}