invalid delta coordinates issues

hey guys can anyone help me with this issue i dont understand what it means nor how to fix it

im on ric cartell firmware 1.04

this is after when i done a g30


19:37:40.812 : ; Z-Tower
19:37:40.817 : ; -1.1500 Endstop Offsets
19:37:40.817 : ; 0.7625 Tower Position Adjust
19:37:40.822 : ;-20.0000 -20.0000 A:0.00 B:0.00 C:0.00
19:37:40.822 : ; -20.0000 Delta Radius: 148.0000
19:37:40.822 : ;X-Tower Y-Tower Diag Rod: 230.0000
19:37:40.827 : ERROR: Invalid delta coordinates!
19:37:40.827 : ERROR: Invalid delta coordinates!
19:37:40.837 : ERROR: Invalid delta coordinates!

Edited 1 time(s). Last edit at 10/12/2015 05:27AM by pazza.