fix: improve logging for empty attributes in importer

Author: codescape

docs/changelog.md

@@ -22,6 +22,7 @@ category: Administration
 * feat: ensure compatibility with Jira 11.3.0
 * docs: improve documentation for assignee in syntax
 * fix: importer ignores attributes without values
+* fix: improve logging for empty attributes in importer
 
 ### [25.10.0] -  2025-10-03
 

src/main/java/de/codescape/jira/plugins/multiplesubtasks/action/SubtaskTemplateImportAction.java

@@ -347,6 +347,8 @@ String transformQuickSubtasksTemplate(String templateString) {
                                         default:
                                             log.error("Ignoring unknown attribute '" + key + "' with value: '" + value + "'");
                                     }
+                                } else {
+                                    log.error("Ignoring attribute without value '" + key + "'");
                                 }
                             }
                         } else {