Not sure if there’s a fix to be made to avoid it, but if you escape the pipe with \ it will work.
| Name | File |
|---|---|
| bla | bla |
| bla.docx (22.4 KB) |
| Name | File |
| --- | --- |
| bla | bla |
| | [bla.docx\|attachment](upload://hu8jvVTNiCjzn5XmxXRnhUaRINy.docx) (22.4 KB) |