XML_INVATTR

Invalid character in attribute

Fanuc · R-30iA R-30iB Controller

What does XML_INVATTR mean?

This fault indicates that an XML attribute contains characters that are not permitted within attribute names or values according to XML rules. Such characters disrupt the parsing of attribute information.

Common Causes

  • An XML attribute name or value contains characters that are not allowed.
  • Invalid characters are present within the attribute definition that violate XML syntax.
  • Data corruption in the configuration file leading to invalid attribute characters.
  • The parser enforces strict validation for characters in attribute names and values.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Remove or replace invalid characters from the XML attribute name or value.

  2. 2

    Ensure attribute values are properly quoted (e.g., attribute="value").

  3. 3

    Verify that attribute names and values adhere to XML naming and character set rules.

  4. 4

    Review the specific attribute causing the error in the configuration file.

  5. 5

    Consult XML specifications for permitted characters in attributes.

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Verified technical data. Last updated: March 2026

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Source: Fanuc R-30iA R-30iB Controller