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FANUC Alarm VARS-107 — Illegal array operation

FANUC VARS-107 (“Illegal array operation”): The alarm will occur when you attempt to do a GET_VAR or SET_VAR but the array indices do not match. First check: Be sure that the array indices line up with the variable that you are attempting to access.

Updated 2026-09-17 · LogrobotLM reference

Description

The alarm will occur when you attempt to do a GET_VAR or SET_VAR but the array indices do not match. For example, the variable type is a one dimensional array but you specify two dimensions in the variable name string.

Remedy

Be sure that the array indices line up with the variable that you are attempting to access.

Related codes

VARS-062No variable or program nameVARS-063… CMOS lost/reallocatedVARS-124BASEVARS-125BASE

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