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KUKA Error 2127 — DECLARATION FOR PARAMETER MISSING

Displayed as KSS02127 on KRC4 / KRC5 controllers

KUKA 2127 (“DECLARATION FOR PARAMETER MISSING”): A formal parameter has not been declared. First check: Modify the program.

Updated 2026-09-09 · LogrobotLM reference

Cause

A formal parameter has not been declared.

Effect

The program is not executable.

Troubleshooting

Modify the program. 1

Related codes

2126NOT A STRUCTURE DATA TYPE2128MORE ACTUAL PARAMETERS THAN FORMAL PARAMETERS SPECIFIED2125COMPONENT DOES NOT BELONG TO THE TYPE2129FORMAL PARAMETER NOT DEFINED

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 →