This message is generated when compiled evaluation of the indicated subexpression is not supported.
This message occurs when the first argument in Apply, the first argument in Outer, or the second argument in Tr in an expression to be compiled is not Times, Plus, or List.
Off[message] switches off the message; On[message] switches it on. For example: Off[Compile::cpapot].
Examples
Basic Examples(1)
Applying Power to a list is not supported for compiled evaluation: