When my colleagues finish registered their contents, he received a notification like this
<?xml version="1.0" encoding="UTF-8"?><doi_batch_diagnostic status=“completed” sp=“ds5”>
<submission_id>1434685249</submission_id>
<batch_id>_1541995697</batch_id>
<record_diagnostic status=“Failure”>
10.29080/biotropic.2018.2.1.46 - 51
DOI: 10.29080/biotropic.2018.2.1.46 - 51 , contains invalid characters
</record_diagnostic>
<batch_data>
<record_count>1</record_count>
<success_count>0</success_count>
<warning_count>0</warning_count>
<failure_count>1</failure_count>
</batch_data>
</doi_batch_diagnostic>
What is the meaning of that and what should he do then? Thank you