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KUKA Error 261 — LOADING OF OPTION DATA ABORTED

Error

Displayed as KSS00261 on KRC4 / KRC5 controllers

KUKA 261 (“LOADING OF OPTION DATA ABORTED”): The number of faults detected by the option data loader exceeds the capacity of the message buffer. First check: Deal with the fault messages one by one.

Updated 2026-09-09 · LogrobotLM reference

Cause

The number of faults detected by the option data loader exceeds the capacity of the message buffer.

Effect

Path-maintaining stop. All active commands inhibited. No RC--Ready.

Troubleshooting

Deal with the fault messages one by one.

Related codes

260LOADING OF USER DATA ABORTED263ERROR IN CORRECTION DATA258ERROR IN OPTION DATA257ERROR IN USER DATA

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