When I am importing a CSV from Redmine I receive the error below. I have a parent id and an issue id fields in the CSV file as mentioned in the documentation.
2012-08-24 23:02:54,529 INFO - Importing: Issue Links & Subtasks
2012-08-24 23:02:54,529 INFO - ------------------------------
2012-08-24 23:02:54,529 INFO - Only new items will be imported
2012-08-24 23:02:54,529 INFO - Linking 'API-3' and 'API-2' as sub-task-link
2012-08-24 23:02:54,530 ERROR - Issue 'API-3' is not of a sub-task type (Chore). It will NOT be a sub-task of the issue 'API-2'
2012-08-24 23:02:54,530 INFO - Linking 'API-4' and 'API-2' as sub-task-link
2012-08-24 23:02:54,531 ERROR - Issue 'API-4' is not of a sub-task type (Chore). It will NOT be a sub-task of the issue 'API-2'
2012-08-24 23:02:54,531 INFO - Linking 'API-5' and 'API-2' as sub-task-link
2012-08-24 23:02:54,536 ERROR - Issue 'API-5' is not of a sub-task type (Chore). It will NOT be a sub-task of the issue 'API-2'
2012-08-24 23:02:54,536 INFO - Linking 'API-6' and 'API-2' as sub-task-link
2012-08-24 23:02:54,537 ERROR - Issue 'API-6' is not of a sub-task type (Chore). It will NOT be a sub-task of the issue 'API-2'
2012-08-24 23:02:54,537 INFO - Linking 'API-7' and 'API-2' as sub-task-link
2012-08-24 23:02:54,538 ERROR - Issue 'API-7' is not of a sub-task type (Chore). It will NOT be a sub-task of the issue 'API-2'
2012-08-24 23:02:54,538 INFO - Linking 'API-8' and 'API-2' as sub-task-link
2012-08-24 23:02:54,539 ERROR - Issue 'API-8' is not of a sub-task type (Chore). It will NOT be a sub-task of the issue 'API-2'
2012-08-24 23:02:54,539 INFO - Linking 'API-9' and 'API-2' as sub-task-link
2012-08-24 23:02:54,540 ERROR - Issue 'API-9' is not of a sub-task type (Chore). It will NOT be a sub-task of the issue 'API-2'
2012-08-24 23:02:54,540 INFO - ------------------------------
2012-08-24 23:02:54,540 INFO - Finished Importing : Issue Links & Subtasks
2012-08-24 23:02:54,540 INFO - ------------------------------
2012-08-24 23:02:54,542 INFO - No issues need to be reindexed.
