I have an external hard-drive for important files.
Yes, i had been stupid enough to remove that hard-drive without unmount before removing the external hard-drive from the USB after having had a file loaded and closed.
Now i am having first time a lock on the file’s directory and cannot access anything:
If “removing that lock” means removing the file /run/media/bierpizzachips/EXCHANGE/EXCHANGE_DIR/DOCUMENTS/OVERVIEW/.~lock.OVERVIEW.xlsx# you can open a terminal and issue: