can someone please advice ? i keep getting share is above target , up to 10% of my hashrate, how to i fix this ?
i've using nemominer and this is my bat file
i'm using 1080TI
and which is the best difficulty to set it at ?

ccminerAlexis78.exe -r 0 -a skein -o stratum+tcp://stratum.dgb.theblocksfactory.com:9002 -u worker.1 -p x -i 25