raphaelauv opened a new issue, #64875:
URL: https://github.com/apache/airflow/issues/64875
### Under which category would you file this issue?
Airflow Core
### Apache Airflow version
3.2.0
### What happened and how to reproduce it?
start a dag with 2 tasks that each do DTM ( dynamic task mapping )
then look to the xcom of 1 of subtask of task 1
then click on the little square of task 2 ( on the grid view ) and then on
xcom
if will fail with
```json
{"detail":[{"type":"int_parsing","loc":["query","map_index"],"msg":"Input
should be a valid integer, unable to parse string as an
integer","input":"NaN"}]}
```
### What you think should happen instead?
_No response_
### Operating System
ubuntu
### Deployment
Docker-Compose
### Apache Airflow Provider(s)
_No response_
### Versions of Apache Airflow Providers
_No response_
### Official Helm Chart version
Not Applicable
### Kubernetes Version
_No response_
### Helm Chart configuration
_No response_
### Docker Image customizations
_No response_
### Anything else?
https://github.com/user-attachments/assets/c6ab0d82-4b3e-4fa4-a31e-b089cf6aff76
### Are you willing to submit PR?
- [ ] Yes I am willing to submit a PR!
### Code of Conduct
- [x] I agree to follow this project's [Code of
Conduct](https://github.com/apache/airflow/blob/main/CODE_OF_CONDUCT.md)
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