Interpolation::inder
ListInterpolation::inder
An error occurs because unnecessary lists are used to indicate the derivatives:
sampledata = Table[{k, {k, {0, 0}}}, {k, 4}]Interpolation[sampledata]This shows a valid specification of the first two derivatives for Interpolation in one dimension.
sampledata = Table[{k, {k, 0, 0}}, {k, 4}]Interpolation[sampledata]Clear the value of sampledata.
Clear[sampledata]