A malformed document is a document that has structural or formatting errors or is corrupted or incorrectly encoded. In some cases, malformed documents may be recovered within the application used to create the document by using its built-in repair capabilities.
The Document Is Malformed
If the Document Is Completely Malformed:
If the Document Is Only Partially Malformed:
If the Document Is Unusable:
In this case, the only method for retrieving the document is through data recovery. If you have not created a backup of the file, you must recreate the document from scratch and reupload it to Panorama.