# ID 270018

Object does not exist.
Description | A communication object required for controller start-up is missing in the parameter list for the software module Channel or HMI. This error can only occur if the start-up list has been changed. The newly specified parameter lists for HMI objects and BF channel are incomplete.
Response | Class | 3 | Abort current job.
Solution | Class | 7 | Check and modify the parameters P-STUP-00024 to P-STUP-00027. Reset to the value described in the documentation.
Error type | -