# About ERROR: Invalid pipeline aggregation
**URL:** https://discuss.elastic.co/t/about-error-invalid-pipeline-aggregation/48112
**Category:** Elasticsearch
**Created:** [April 22, 2016, 2:55am UTC](https://discuss.elastic.co/t/about-error-invalid-pipeline-aggregation/48112 "2016-04-22T02:55:36Z")
**Posts on this page:** 2
**Page:** 1
### Author:  [@Ele\_Jim](https://discuss.elastic.co/u/Ele_Jim)
#### Post date: [April 22, 2016, 2:55am UTC](https://discuss.elastic.co/t/about-error-invalid-pipeline-aggregation/48112/1 "2016-04-22T02:55:36Z")
How can I fix this? It is a simple cross-value between aggregations, but due to only sibling pipeline aggregations are not allowed, I have no other idea how to fix it. Anyone, please...
"aggs": {
"sensor\_1": {
"filter": {
"term": {
"uuid.sensorId": 1
}
},
"aggs": {
"dates\_sensor\_1": {
"date\_histogram": {
"field": "measure.timestamp",
"interval": "day",
}
}
}
},
"sensor\_2": {
"filter": {
"term": {
"uuid.sensorId": 3
}
}
},
"filter\_of\_aggs\_sensor\_2": {
"bucket\_selector": {
"buckets\_path": {
"filtered\_ bucket": "sensor\_2"
},
"script": "filtered\_bucket = dates\_sensor\_1"
}
}
}
}
---
### Author:  [@system](https://discuss.elastic.co/u/system)
#### Post date: [July 5, 2017, 10:57pm UTC](https://discuss.elastic.co/t/about-error-invalid-pipeline-aggregation/48112/2 "2017-07-05T22:57:07Z")