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KUKA Error 2103 — A VARIABLE OF THIS NAME DOES NOT EXIST

Displayed as KSS02103 on KRC4 / KRC5 controllers

KUKA 2103 (“A VARIABLE OF THIS NAME DOES NOT EXIST”): A variable name that does not exist has been specified. First check: Modify the program accordingly.

Updated 2026-09-09 · LogrobotLM reference

Cause

A variable name that does not exist has been specified.

Effect

The program is not executable.

Troubleshooting

Modify the program accordingly.

Related codes

Indicative field information — the robot manufacturer's manual and safety procedures always prevail. Never bypass a safety device; apply lockout/tagout (LOTO) before any physical intervention. How this reference is built →