# Error Agent Elastic collection plugin Logstash over filebeat message "failed eval: ERROR:" integrations Logstash

**URL:** <https://discuss.elastic.co/t/error-agent-elastic-collection-plugin-logstash-over-filebeat-message-failed-eval-error-integrations-logstash/368786>\
**Category:** Elastic Agent\
**Tags:** filebeat\
**Created:** [October 14, 2024, 2:18pm UTC](https://discuss.elastic.co/t/error-agent-elastic-collection-plugin-logstash-over-filebeat-message-failed-eval-error-integrations-logstash/368786 "2024-10-14T14:18:21Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![Vam\_Siqueira](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/vam_siqueira/32/138354_2.png) [@Vam\_Siqueira](https://discuss.elastic.co/u/Vam_Siqueira)\
**Post date:** [October 14, 2024, 2:18pm UTC](https://discuss.elastic.co/t/error-agent-elastic-collection-plugin-logstash-over-filebeat-message-failed-eval-error-integrations-logstash/368786/1 "2024-10-14T14:18:21Z")

</div>

```auto
{"log.level":"error","@timestamp":"2024-10-14T11:06:46.639-0300","message":"failed evaluation","component":{"binary":"filebeat","dataset":"elastic_agent.filebeat","id":"cel-default","type":"cel"},"log":{"source":"cel-default"},"log.origin":{"file.line":243,"file.name":"cel/input.go","function":"github.com/elastic/beats/v7/x-pack/filebeat/input/cel.input.run.func1"},"service.name":"filebeat","log.logger":"input.cel","input_source":"http://localhost:9600/_node","input_url":"http://localhost:9600/_node","error":{"message":"failed eval: ERROR: <input>:175:61: no such key: decode\n | }).collate([\"filters\", \"outputs\", \"inputs\", \"codecs\"])).as(plugins, {\n | ............................................................^"},"ecs.version":"1.6.0","id":"cel-logstash.plugins-3338b4f3-fe2e-41f4-9a11-9d209685018a","ecs.version":"1.6.0"}
{"log.level":"error","@timestamp":"2024-10-14T11:06:46.639-0300","message":"single event object returned by evaluation","component":{"binary":"filebeat","dataset":"elastic_agent.filebeat","id":"cel-default","type":"cel"},"log":{"source":"cel-default"},"service.name":"filebeat","id":"cel-logstash.plugins-3338b4f3-fe2e-41f4-9a11-9d209685018a","input_url":"http://localhost:9600/_node","log.origin":{"file.line":363,"file.name":"cel/input.go","function":"github.com/elastic/beats/v7/x-pack/filebeat/input/cel.input.run.func1"},"log.logger":"input.cel","input_source":"http://localhost:9600/_node","event":{"error":{"message":"failed eval: ERROR: <input>:175:61: no such key: decode\n | }).collate([\"filters\", \"outputs\", \"inputs\", \"codecs\"])).as(plugins, {\n | ............................................................^"}},"ecs.version":"1.6.0","ecs.version":"1.6.0"}

```