E_NOTSUPPORTED

Operation Not Supported in Current Mode

Beckhoff · TwinCAT 2 Automation Interface

What does E_NOTSUPPORTED mean?

The attempted operation, specifically NewConfiguration(), OpenConfiguration(), or SaveConfiguration(), is not supported in the current TwinCAT Automation Interface operational mode. These methods are exclusively available when the Automation Interface is running in Compatibility Mode.

Additional Steps

Steps 1–2 are listed in Priority Fix.

  1. 3

    Consult the TwinCAT documentation for version-specific requirements regarding operational modes and method availability.

Source: Beckhoff TwinCAT 2 Automation Interface
Open Manual (Page 31)