The contents of the file are as follows:
LogFormat '{\
"server_addr": "%A",\
"server_port": %{local}p,\
"host": "%{Host}i",\
"x_forwarded_for": "%{X-Forwarded-For}i",\
"x-real-ip": "%{X-Real-IP}i",\
"x-forwarded": "%{X-Forwarded}i",\
"forwarded-for": "%{Forwarded-For}i",\
"forwarded": "%{Forwarded}i",\
"true-client-ip": "%{True-Client-IP}i",\
"client-ip": "%{Client-IP}i",\
"ali-cdn-real-ip": "%{Ali-CDN-Real-IP}i",\
"cdn-src-ip": "%{CDN-Src-Ip}i",\
"cdn-real-ip": "%{CDN-Real-Ip}i",\
"cf-connecting-ip": "%{CF-Connecting-IP}i",\
"x-cluster-client-ip": "%{X-Cluster-Client-IP}i",\
"wl-proxy-client-ip": "%{WL-Proxy-Client-IP}i",\
"proxy-client-ip": "%{Proxy-Client-IP}i",\
"remote_addr": "%a",\
"remote_port": %{remote}p,\
"remote_user": "%u",\
"https": "%{HTTPS}x",\
"req_length": %I,\
"method": "%m",\
"request": "%r",\
"request_filename": "%f",\
"status": %s,\
"sent_bytes": %O,\
"body_bytes_sent": %b,\
"user_agent": "%{User-Agent}i",\
"content_type": "%{Content-Type}o",\
"cookie": "%{Cookie}i"\
}' site_total
And line 33, which the error refers to, is the last one.
}' site_total