KUKA Robot codes
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KUKA Robot Controller

System · Basic

Alarm KRC1037

KUKA Robot KRC1037 - <object name> COMPILE ? 4301

A compilation error occurred while attempting to compile a KRL program object (module, function, or variable). The system detected a syntax or semantic error in the specified object that prevents successful compilation. Error code 4301 indicates an internal compilation failure that must be resolved before the program can execute.

KUKA RobotSystemBasic

KRC1037

KUKA Robot KRC1037 - <object name> COMPILE ? 4301

<object name> COMPILE ? 4301

A compilation error occurred while attempting to compile a KRL program object (module, function, or variable). The system detected a syntax or semantic error in the specified object that prevents successful compilation. Error code 4301 indicates an internal compilation failure that must be resolved before the program can execute.

Common Causes

  • Syntax errors in KRL code such as missing semicolons, incorrect brackets, or malformed statements
  • Type mismatch or undeclared variables in the object definition
  • Missing or incorrect function/module declarations or parameter definitions
  • Circular dependencies or unresolved references to other program objects
  • Invalid characters, encoding issues, or corrupted file content in the KRL source

Troubleshooting Steps

  1. 1Open the KRL source file in the KUKA IDE and check the compiler error message for the specific line number and error details
  2. 2Verify all variable declarations match their usage and that data types are correctly specified
  3. 3Check for missing or mismatched brackets, parentheses, and semicolons throughout the object
  4. 4Ensure all referenced functions, modules, and variables are properly declared and accessible in scope
  5. 5Review recent changes to the object and compare with working versions if available using version control
  6. 6Recompile the object after corrections and verify the syntax by using the IDE's syntax checking feature

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