Hola este error aparece al tratar de subir una nueva base de contactos.
el log de /var/log/nginx/ es este

[root@oml nginx]# tail -f /var/log/nginx/example.com_error.log
2021/08/03 17:45:25 [crit] 1651#0: *259 open() "/var/lib/nginx/tmp/uwsgi/0/01/0000000010" failed (13: Permission denied) while reading upstream, client: 192.168.1.20, server: oml.digitalcall, request: "GET /consola/ HTTP/1.1", upstream: "uwsgi://unix:/opt/omnileads/run/oml_uwsgi.socket:", host: "192.168.1.10", referrer: "https://192.168.1.10/consola/"192.168.1.20
2021/08/03 17:45:26 [crit] 1651#0: *272 open() "/var/lib/nginx/tmp/uwsgi/1/01/0000000011" failed (13: Permission denied) while reading upstream, client: 192.168.1.20, server: oml.digitalcall, request: "GET /consola/ HTTP/1.1", upstream: "uwsgi://unix:/opt/omnileads/run/oml_uwsgi.socket:", host: "192.168.1.10", referrer: "https://192.168.1.10/consola/"
2021/08/03 17:46:15 [crit] 1652#0: *289 open() "/var/lib/nginx/tmp/uwsgi/2/01/0000000012" failed (13: Permission denied) while reading upstream, client: 192.168.1.20, server: oml.digitalcall, request: "GET /consola/ HTTP/1.1", upstream: "uwsgi://unix:/opt/omnileads/run/oml_uwsgi.socket:", host: "192.168.1.10", referrer: "https://192.168.1.10/consola/"
2021/08/03 17:47:11 [crit] 1651#0: *304 open() "/var/lib/nginx/tmp/uwsgi/3/01/0000000013" failed (13: Permission denied) while reading upstream, client: 192.168.1.20, server: oml.digitalcall, request: "GET /consola/ HTTP/1.1", upstream: "uwsgi://unix:/opt/omnileads/run/oml_uwsgi.socket:", host: "192.168.1.10", referrer: "https://192.168.1.10/consola/"
2021/08/03 17:47:36 [crit] 1651#0: *328 open() "/var/lib/nginx/tmp/uwsgi/4/01/0000000014" failed (13: Permission denied) while reading upstream, client: 192.168.1.20, server: oml.digitalcall, request: "GET /consola/ HTTP/1.1", upstream: "uwsgi://unix:/opt/omnileads/run/oml_uwsgi.socket:", host: "192.168.1.10", referrer: "https://192.168.1.10/consola/"
2021/08/03 17:48:59 [crit] 1652#0: *338 open() "/var/lib/nginx/tmp/uwsgi/5/01/0000000015" failed (13: Permission denied) while reading upstream, client: 192.168.1.20, server: oml.digitalcall, request: "GET /consola/ HTTP/1.1", upstream: "uwsgi://unix:/opt/omnileads/run/oml_uwsgi.socket:", host: "192.168.1.10", referrer: "https://192.168.1.10/consola/"
2021/08/03 17:49:01 [crit] 1651#0: *345 open() "/var/lib/nginx/tmp/uwsgi/6/01/0000000016" failed (13: Permission denied) while reading upstream, client: 192.168.1.20, server: oml.digitalcall, request: "GET /consola/ HTTP/1.1", upstream: "uwsgi://unix:/opt/omnileads/run/oml_uwsgi.socket:", host: "192.168.1.10", referrer: "https://192.168.1.10/consola/"
2021/08/03 18:12:08 [crit] 4369#0: *2 open() "/var/lib/nginx/tmp/client_body/0000000001" failed (13: Permission denied), client: 192.168.1.21, server: oml.digitalcall, request: "POST /base_datos_contacto/nueva/ HTTP/1.1", host: "192.168.1.10", referrer: "https://192.168.1.10/base_datos_contacto/nueva/"
2021/08/03 18:12:14 [crit] 4368#0: *5 open() "/var/lib/nginx/tmp/client_body/0000000002" failed (13: Permission denied), client: 192.168.1.21, server: oml.digitalcall, request: "POST /base_datos_contacto/nueva/ HTTP/1.1", host: "192.168.1.10", referrer: "https://192.168.1.10/base_datos_contacto/nueva/"
2021/08/03 18:29:29 [crit] 1633#0: *12 open() "/var/lib/nginx/tmp/client_body/0000000001" failed (13: Permission denied), client: 192.168.1.21, server: oml.digitalcall, request: "POST /base_datos_contacto/nueva/ HTTP/1.1", host: "192.168.1.10", referrer: "https://192.168.1.10/base_datos_contacto/nueva/"