The message “Invalid PDF file” is shown Piascore Support May 02, 2018 12:49 Updated Follow When the sheet music file is invalid file, the message is shown. Please check the file and import (or download) it again. Related articles When I try to open file, the app crashes. How to turn a page by gesture (wink) There is invalid showing of sheet music Can't download from a cloud file service I can't find gesture page turning (smile icon) Comments 0 comments Article is closed for comments.
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