# ID 21544

Invalid write/read access on cycle parameter data.
Description | The variable V.G.@P[i].VALID can check in the whether a certain transfer parameter (@P<> i) was programmed in the cycle call L CYCLE [...] and is therefore valid. This error message is output if the variable V.G.@P[i].VALID is programmed outside of a cycle.
Response | Class | 2 | Abort NC program processing.
Solution | Class | 3 | Check and modify NC program. Use the variable V.G.@P[i].VALID inside cycles only.
Parameter | %1: | Current value [-]
General ID of a cycle parameter
%2: | Error value [-]
Number of the programmed cycle parameter in V.G.@P[i].VALID
Error type | 1, Error message from NC program.