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KUKA Error 2021 — THE DATA LIST IS NOT OF TYPE 'PUBLIC'

Displayed as KSS02021 on KRC4 / KRC5 controllers

KUKA 2021 (“THE DATA LIST IS NOT OF TYPE 'PUBLIC'”): Global variables from DAT files can only be used in differently named SRC files if the DAT file has been declared as "PUBLIC". First check: Insert the keyword "PUBLIC" in the header of the DAT file.

Updated 2026-09-09 · LogrobotLM reference

Cause

Global variables from DAT files can only be used in differently named SRC files if the DAT file has been declared as "PUBLIC". Example: DEFDAT P1 DECL GLOBAL INT a = 1 ENDAT DEF P2() a = 2 END

Effect

The program is not executable.

Troubleshooting

Insert the keyword "PUBLIC" in the header of the DAT file. If necessary, the header must first be made visible via the menus "CONFIGURATION --> TOOLS --> EDITOR --> DEF line". Example: DEFDAT P1 PUBLIC DECL GLOBAL INT a = 1 ENDAT DEF P2() a = 2 END

Related codes

2020EXTERNAL FUNCTION EXPECTED, SUBPROGRAM FOUND2019EXTERNAL SP EXPECTED, FUNCTION FOUND2018EXTERNAL SP DECLARED BUT NOT USED2017SYNTAX ERROR IN THE P_PATH

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