Why does this situation occur? Can you help me solve this problem?"
CorrelatedFactors<-userGWAS(covstruc = LDSCoutput, SNPs = aging_sumstats, model = model ,sub=c("F1~SNP", "F2~SNP","F3~SNP"))
[1] "Please note that an update was made to userGWAS on Sept 1 2023 so that the default behavior is to fix the measurement model using the fix_measurement argument."
Error in nrow(SNPs2) : object 'SNPs2' not found