Keyword "RobError+S01=006-KF01.120_ROBOTER_2.stSchnittstelle.stInput.stJobhandling.nFehlerNr;" not found: ROB2_Error_02[8] (the element will be selected via double-click)

above error comes when i implement the text into Limit value text

"$ROB1: ;%@RobError+S01=006-KF01.120_ROBOTER_2.stSchnittstelle.stInput.stJobhandling.nFehlerNr;"

everything is working fine, but the error is extra ... do not know why these error are into the Zenon Output !!!