The Litecoin Developers are aware of a regression introduced in Litecoin Core v0.21.3. A certain number of users may see the error message "Prune mode is incompatible with -blockfilterindex."
on startup.
Locate the Litecoin Data Directory. By default this is located at:
macOS: ~/Library/Application Support/Litecoin
Linux: ~/.litecoin
Windows: %APPDATA%\Litecoin
Create a file named litecoin.conf
if this doesn't already exist.
Edit the litecoin.conf
file with the following text:
blockfilterindex=0
peerblockfilters=0
The Litecoin Developers plan to release a new patch. Which will automatically detect if prune mode is enabled, and if so, will not attempt to enable blockfilterindex.
That did not work for me,
but lead me to find file
Litecoin-Qt.conf
in/home/your-user-name/.config/Litecoin
and changed value tobPrune=false
.It is now downloading the blockchain.
I'm on Linux Mint