KRC0954

Common Causes

• Using a variable instead of a literal constant in array dimension declaration
• Attempting to use a non-constant expression in a switch/case statement label
• Providing a variable reference where a compile-time constant is required in a data structure definition
• Using an uninitialized or dynamically assigned value in a context requiring constant initialization
• Referencing a parameter or local variable in a position that requires a constant value at compile time

Troubleshooting Steps

1. 1Review the line number indicated in the alarm message and identify the statement causing the error
2. 2Verify that all array dimensions use literal numeric constants (e.g., INT myArray[10] not INT myArray[size])
3. 3Check case labels in switch statements to ensure they use only constant expressions, not variables
4. 4Replace variable references with their constant values in contexts requiring compile-time constants
5. 5Declare and initialize constants using CONST keyword for values that must be constant throughout the program
6. 6Consult the KRL reference documentation for the specific syntax rule being violated and refactor the code accordingly