What causes KUKA Robot alarm KRC0744?

Using an undefined or misspelled custom data type or structure name in KRL code. Referencing a component from an incompatible or missing library/package declaration. Attempting to use a data type that requires additional software options or packages not installed on the controller. Syntax error in type definition or component declaration within the program. Mixing incompatible KRL versions or using deprecated component types in newer controller firmware.

How do I fix KUKA Robot alarm KRC0744?

1. Check the KRL source code for the exact line number reported in the alarm message and verify all custom type names are spelled correctly 2. Ensure all required library declarations and USE statements are present at the beginning of the program file 3. Verify that any custom data types or structures are properly defined before they are referenced in the code 4. Review the controller's installed software options and ensure required packages for specialized components are activated 5. Compare the KRL syntax against the documentation for your specific KRC version to confirm component type compatibility 6. If using custom types, check that the type definition file exists in the correct directory and is properly included in the project

KUKA Robot codes

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KUKA Robot Controller

System · Basic

Alarm KRC0744

KUKA Robot KRC0744 - COMPONENT TYPE UNKNOWN 2080

This alarm indicates that the KRL compiler encountered a component or data type during program compilation that it cannot recognize or properly interpret. The unknown component type prevents successful compilation and execution of the affected program module or function.

KUKA RobotSystemBasic

KRC0744

KUKA Robot KRC0744 - COMPONENT TYPE UNKNOWN 2080

COMPONENT TYPE UNKNOWN 2080

Common Causes

Using an undefined or misspelled custom data type or structure name in KRL code
Referencing a component from an incompatible or missing library/package declaration
Attempting to use a data type that requires additional software options or packages not installed on the controller
Syntax error in type definition or component declaration within the program
Mixing incompatible KRL versions or using deprecated component types in newer controller firmware

Troubleshooting Steps

1Check the KRL source code for the exact line number reported in the alarm message and verify all custom type names are spelled correctly
2Ensure all required library declarations and USE statements are present at the beginning of the program file
3Verify that any custom data types or structures are properly defined before they are referenced in the code
4Review the controller's installed software options and ensure required packages for specialized components are activated
5Compare the KRL syntax against the documentation for your specific KRC version to confirm component type compatibility
6If using custom types, check that the type definition file exists in the correct directory and is properly included in the project

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