[R] Error .. missing value where TRUE/FALSE needed

Can any explain the following error: Error in if ((seedCount <= seedNumber) && (valueDiff > sup)) { : missing value where TRUE/FALSE needed which I get upon running this script: seedNumber <- 10 seeds <- array(dim = seedNumber) seedCount <- 1 maxValue <- 100 sup <- maxValue / 2 fcsPar <- a

[R] Error: missing value where TRUE/FALSE needed

Can any explain the following error: Error in if ((seedCount <= seedNumber) && (valueDiff > sup)) { : missing value where TRUE/FALSE needed which I get upon running this script: seedNumber <- 10 seeds <- array(dim = seedNumber) seedCount <- 1 maxValue <- 100 sup <- maxValue / 2 fcsPar <-