KUKA Error 2037 — INCORRECT OR UNKNOWN BLOCK
Displayed as KSS02037 on KRC4 / KRC5 controllers
KUKA 2037 (“INCORRECT OR UNKNOWN BLOCK”): The compiler cannot process the program line, e.g. First check: Modify the program.
Updated 2026-09-09 · LogrobotLM reference
Cause
The compiler cannot process the program line, e.g. assignment of two Enum constants: #Otto=#Emil, or insertion of program code into the DAT file. The cause may also be a typing error.
Effect
The program is not executable.
Troubleshooting
Modify the program.
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 →