Okuma Alarm-B 2394 MULTI CYCLE F illegal order

Okuma Alarm-B 2394 MULTI CYCLE F illegal order
In G71, G72, G73 or G74 mode, no F(thread pitch) command is designated or numerical value of F command is not:
0 < F <= 99999.999, or 0 < DA <= 99999999G71: Compound thread cutting cycle on side faceG72: Compound thread cutting cycle on end faceG73: Compound grooving cycle on side faceG74: Compound grooving cycle on end faceObject
SYSTEM

Code
FFFFFFFF->No F command
Others->Hexadecimal number of F value, or hexadecimal number of DA value

Probable Faulty Locations
Program error
Program Example:

N010 G71 X100 Z100 B60 D3 H10

Measures to Take
Check the F command value.
For the example program, insert a F command in the program.

N101 G71 X100 Z100 B60 D3 H10 F5