This is new never had an issue until today. gtx 1060s 6gb build.
20:10:53:115 2684 CUDA error - cannot allocate big buffer for DAG. Check readme.txt for possible solutions.
EthDcrMiner64.exe -epool stratum+tcp://lb.geo.pirlpool.eu:8002 -ewal 0x146B61920620BB885C1cB2 -epsw x -allcoins -1 -eworker GTX1060s -gser 2 -lidag 2 -minspeed 180 -r 1 -dcoin pasc -dpool mine.pasl.fairpool.cloud:4009 -dwal 422222226-46+GTX1060s -dpsw x -dcri 17
6GB is more than enough for DAG, could you try to remove the -lidag option
also ensure you have enough virtual mem
yeap virtual is at 16 and lidag is off same issue.