v-prediction versions are experimental models.
You need to use the webui that support v-prediction.
Recommended Setting
Steps: 25-30
CFG scale: 5-7
sampler: euler, euler a
scheduler: nomal
Positive Prompt
official style,masterpiece,best quality,newest,absurdres,highres,
Negative Prompt
bad anatomy,low quality,worst quality,normal quality,text,signature,jpeg artifacts,bad anatomy,old,early,copyright name,watermark,artist name,signature,