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FANUC Alarm LANG-050 — WARN … contains …, program/file names must match

Manufacturer wording — WARN %s contains %s, program/file names must match
The manual prints placeholders; your controller fills them in with the real group, axis or number.

FANUC LANG-050 (“WARN … contains …, program/file names must match”): The file name and the program name are not the same. First check: Rename the file to be same as the program name.

Updated 2026-09-17 · LogrobotLM reference

Description

The file name and the program name are not the same. Their names must match.

Remedy

Rename the file to be same as the program name.

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 →