[R] Nested ANOVA residuals error

I am having trouble setting up a nested anova model. Here is a truncated version of my data: > data Ind Treatment PC1 1 PER14SC 1.14105282 2 PER14SH 1.45348615 3 PER14AC 2.45096904 4 PER25SC 1.23687887 5 PER25SH 4.54797450 6 PER2

[R] nested model with random factors

I am really having trouble with getting the right syntax for my model. Here is a truncated version of my data: > data Ind Treatment Order DatePC1 1 PER14SC 3rd 4-May-09 0.5704611 2 PER14SH 1st 26-Apr-09 0.5329025 3 PER14AC 2nd 29-Apr-09 2.139