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001236: Invalid tool: <value>.

Description

The tool references another tool that is no longer valid. Invalid tools will show an invalid tool symbol , invalid script , or invalid model . The tool either cannot be opened or does not exist. Some causes of this error include

  • A model might be using an invalid tool or may use another model that cannot be found or is invalid.
  • If the tool is a custom tool built by a third-party developer, the tool may not exist in a toolbox, may have a problem with the tool's implementation, or it may not have been registered appropriately at the time of sharing.

Solution

Sometimes performing an edit of a model, and immediately saving it will fix problems with parameter changes.