aliariff opened a new issue, #3018:
URL: https://github.com/apache/jena/issues/3018
### Version
5.3.0
### What happened?
#### **Issue Description**
When the `sh:uniqueLang` constraint is violated, the validation report does
not include the duplicated value node. This makes it difficult to identify
which specific values caused the violation.
#### **Expected Behavior**
The validation report should provide the duplicated value node, allowing
users to pinpoint the exact issue in their data.
#### **Steps to Reproduce**
1. Define a SHACL shape with `sh:uniqueLang true`.
2. Validate data that contains multiple values with the same language tag
for a property.
3. Observe the validation report.
#### **Actual Behavior**
- The validation report states that the constraint was violated but does not
indicate the specific duplicated value node.
#### **Expected Behavior**
- The validation report should include the exact value nodes that caused the
violation.
#### **Example**
##### **SHACL Shape**
```turtle
ex:BuildingShape a sh:NodeShape ;
sh:targetClass ex:Building ;
sh:property [
sh:path ex:label ;
sh:datatype rdf:langString ;
sh:uniqueLang true ;
sh:message "Each building label should have only one value per
language." ;
] .
```
##### **Invalid Data**
```turtle
ex:Building1 a ex:Building ;
ex:label "Building"@en , "Edifice"@en , "Gebäude"@de .
```
### Relevant output and stacktrace
```shell
```
### Are you interested in making a pull request?
Yes
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