This message is generated when the number of dimensions described in the fourth argument in Partition is not the same as the number of dimensions in the result.
Overhang parameters are specified using the fourth argument in Partition.
Off[message] switches off the message; On[message] switches it on. For example: Off[Partition::ohpdm].
Examples
Basic Examples(1)
The length of the fourth argument is greater than the number of dimensions in the result:
This shows valid overhang parameters in Partition: