How can I write this one

[baiyibing123]

error Field not present：
2024-02-02T03:06:39.734967Z ERROR transform{component_kind="transform" component_id=openresty_metrics component_type=log_to_metric}: vector::internal_events::log_to_metric: Unable to convert null field. error_code="field_null" error_type="condition_failed" stage="processing" null_field=.geoip.geo.country_name internal_log_rate_limit=true
2024-02-02T03:06:39.735008Z ERROR transform{component_kind="transform" component_id=openresty_metrics component_type=log_to_metric}: vector_common::internal_event::component_events_dropped: Events dropped intentional=false count=1 reason="Unable to convert null field." internal_log_rate_limit=true
2024-02-02T03:06:41.199064Z ERROR transform{component_kind="transform" component_id=openresty_metrics component_type=log_to_metric}: vector::internal_events::log_to_metric: Internal log [Unable to convert null field.] is being suppressed to avoid flooding.
2024-02-02T03:06:41.199098Z ERROR transform{component_kind="transform" component_id=openresty_metrics component_type=log_to_metric}: vector_common::internal_event::component_events_dropped: Internal log [Events dropped] is being suppressed to avoid flooding.
2024-02-02T03:43:28.554105Z ERROR transform{component_kind="transform" component_id=openresty_metrics component_type=log_to_metric}: vector::internal_events::log_to_metric: Internal log [Unable to convert null field.] has been suppressed 4 times.
2024-02-02T03:43:28.554129Z ERROR transform{component_kind="transform" component_id=openresty_metrics component_type=log_to_metric}: vector::internal_events::log_to_metric: Unable to convert null field. error_code="field_null" error_type="condition_failed" stage="processing" null_field=.geoip.geo.country_name internal_log_rate_limit=true
2024-02-02T03:43:28.554145Z ERROR transform{component_kind="transform" component_id=openresty_metrics component_type=log_to_metric}: vector_common::internal_event::component_events_dropped: Internal log [Events dropped] has been suppressed 4 times.
2024-02-02T03:43:28.554148Z ERROR transform{component_kind="transform" component_id=openresty_metrics component_type=log_to_metric}: vector_common::internal_event::component_events_dropped: Events dropped intentional=false count=1 reason="Unable to convert null field." internal_log_rate_limit=true
2024-02-02T03:43:29.596329Z ERROR transform{component_kind="transform" component_id=openresty_metrics component_type=log_to_metric}: vector::internal_events::log_to_metric: Internal log [Unable to convert null field.] is being suppressed to avoid flooding.
2024-02-02T03:43:29.596375Z ERROR transform{component_kind="transform" component_id=openresty_metrics component_type=log_to_metric}: vector_common::internal_event::component_events_dropped: Internal log [Events dropped] is being suppressed to avoid flooding.

[baiyibing123]

# openresty_metrics_limit:
#   type: tag_cardinality_limit
#   inputs:
#     - openresty_metrics
#   mode: exact
#   fields:
#     - field: "country_name"
#       value_limit: 1
#       limit_exceeded_action: drop_tag

This restriction is also not in effect

[baiyibing123]

I really don't know why, please help me

[baiyibing123]

    - type: counter
      kind: incremental
      field: geoip.geo.country_name
      name: nginx_log_country_name
      tags:
        project: '{{ "{{ fields.project }}" }}'
        environment: '{{ "{{ fields.environment }}" }}'
        release: '{{ "{{ fields.release }}" }}'
        http_host: '{{ "{{ http_host }}" }}'
        country_name: '{{ "{{ geoip.geo.country_name }}" }}'

[baiyibing123]

I wonder where this error came from