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KUKA Error 2100 — POSITIVE INTEGER EXPECTED

Displayed as KSS02100 on KRC4 / KRC5 controllers

KUKA 2100 (“POSITIVE INTEGER EXPECTED”): Only a positive integer may be specified, e.g. First check: Modify the program.

Updated 2026-09-09 · LogrobotLM reference

Cause

Only a positive integer may be specified, e.g. when specifying the array size. Example: CHAR Hugo[0]

Effect

The program is not executable.

Troubleshooting

Modify the program. Example: CHAR Hugo[7] 1

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 →