File ~/Dropbox/work/pyhep_dev/awkward/src/awkward/contents/numpyarray.py:1173, in NumpyArray._validity_error(self, path)
   1171     return f"at {path} ({type(self)!r}): shape is zero-dimensional"
   1172 for i, dim in enumerate(self.shape):
-> 1173     if dim < 0:
   1174         return f"at {path} ({type(self)!r}): shape[{i}] < 0"
   1175 for i, stride in enumerate(self.strides):

File ~/Dropbox/work/pyhep_dev/awkward/src/awkward/_nplikes/shape.py:76, in UnknownLength.__gt__(self, other)
     75 def __gt__(self, other):
---> 76     raise TypeError("cannot order unknown lengths")

TypeError: cannot order unknown lengths

This error occurred while calling

    ak.validity_error(
        <Array-typetracer [...] type='## * int64'>
    )

File ~/Dropbox/work/pyhep_dev/awkward/src/awkward/contents/listoffsetarray.py:1756, in ListOffsetArray._validity_error(self, path)
   1755 def _validity_error(self, path):
-> 1756     if self.offsets.length < 1:
   1757         return f"at {path} ({type(self)!r}): len(offsets) < 1"
   1758     assert (
   1759         self.starts.nplike is self._backend.nplike
   1760         and self.stops.nplike is self._backend.nplike
   1761     )

File ~/Dropbox/work/pyhep_dev/awkward/src/awkward/_nplikes/shape.py:76, in UnknownLength.__gt__(self, other)
     75 def __gt__(self, other):
---> 76     raise TypeError("cannot order unknown lengths")

TypeError: cannot order unknown lengths

This error occurred while calling

    ak.validity_error(
        <Array-typetracer [...] type='## * var * int64'>
    )