COF004I VLF START IS REJECTED. THE NN= PARAMETER IS INCORRECT.

Explanation
 The system rejected the request to start the virtual
lookaside facility (VLF). The value for the optional NN parameter
on the START command did not consist of either two
characters or a list of up to 16 two character values
enclosed in parentheses and separated by commas.

System action
 The system does not start VLF.

Operator response
 Reenter the START command with a correct
value for the NN parameter.

Module
 COFMINIT

Source
 Virtual lookaside facility (VLF)

Routing Code
 2,10

Descriptor Code
 4