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ErrorLib — Industrial Fault Code Library

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XML_ATTRMATCH

No value for attribute

Fanuc · R-30iA R-30iB Controller

What does XML_ATTRMATCH mean?

This fault occurs when an XML attribute is defined within a tag but is not assigned a corresponding value. All attributes must have a value in valid XML, and its absence will lead to parsing errors.

Common Causes

  • An XML attribute is declared but has no value assigned after the '=' sign.
  • The configuration file is missing the value for a required XML attribute.
  • An empty string was intentionally or unintentionally assigned to an attribute.
  • A syntax error where the value portion of an attribute is absent.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Provide a valid value for the attribute in the configuration file.

  2. 2

    Ensure the attribute is followed by '=' and then the quoted value.

  3. 3

    If the attribute is optional and can be empty, ensure it is represented correctly (e.g., attribute="").

  4. 4

    Review the XML schema or documentation for the expected attributes and their values.

  5. 5

    Correct the syntax for attribute assignment in the configuration file.

Browse all codes in this manual (31)
Verified technical data. Last updated: April 2026

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