How to resolve APP-PO-14090: Document is not created. found during PO Auto Creation

During the Auto creation of Purchase order following error has been encountered.

On searching requisition and proceeding with clicking on the automatic button on the Auto Create Document screen.

Please guide to resolve this error.

APP-PO-14090: Document is not created.

1) An exception occurred in the PO Account Generator workflow during the document creation process.

2) Some other error occurred during the document creation process.