KUKA Robot codes
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KUKA Robot Controller

System · Basic

Alarm KRC0807

KUKA Robot KRC0807 - INDEXING OR [] EXPECTED 2143

This syntax error occurs during KRL program compilation when the parser encounters an invalid character or missing bracket where an indexing operation or square bracket [] is expected. The compiler cannot properly parse the program structure at the specified location, preventing successful compilation.

KUKA RobotSystemBasic

KRC0807

KUKA Robot KRC0807 - INDEXING OR [] EXPECTED 2143

INDEXING OR [] EXPECTED 2143

This syntax error occurs during KRL program compilation when the parser encounters an invalid character or missing bracket where an indexing operation or square bracket [] is expected. The compiler cannot properly parse the program structure at the specified location, preventing successful compilation.

Common Causes

  • Missing square brackets [] for array or structure element indexing
  • Incorrect syntax when accessing array elements or structure members
  • Missing or mismatched parentheses before an indexing operation
  • Invalid character or typo in place of expected bracket notation
  • Attempting to index a non-array variable without proper declaration or syntax

Troubleshooting Steps

  1. 1Review the KRL source code at the line indicated in the error message for syntax errors
  2. 2Check that all array indexing uses correct bracket notation: variable[index]
  3. 3Verify that structure member access is properly formatted with dot notation or brackets
  4. 4Ensure all opening brackets have corresponding closing brackets in the correct order
  5. 5Validate variable declarations match their usage (arrays vs. scalar variables)
  6. 6Recompile the program after corrections and consult KUKA KRL language documentation if needed

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