Using the command delete -x 10 when the index 10 is not present, it says that the index is not a valid non-zero positive integer. 10 is a valid non-zero positive integer, the error message should be something about the index does not exist in the recipe book.
Using the command
delete -x 10when the index 10 is not present, it says that the index is not a valid non-zero positive integer. 10 is a valid non-zero positive integer, the error message should be something about the index does not exist in the recipe book.