function checkPossibilityOfDynamicTraversal(method, solvedPath) {
  if (!solvedPath) throw (0, _helpers.makeError)("Baobab.Cursor." + method + ": " + ("cannot use " + method + " on an unresolved dynamic path."), {
    path: solvedPath
  });
}
Traversal helper function for dynamic cursors. Will throw a legible error
if traversal is not possible.

@param {string} method     - The method name, to create a correct error msg.
@param {array}  solvedPath - The cursor's solved path.