000816 : The tool is not valid.

Description

The tool cannot be executed. Tools that are considered invalid may show an invalid tool symbol when viewed ( or ). The tool either cannot be opened or does not exist. Some causes for this error include the following:

• If the tool is a model, the model is invalid or contains invalid tools.
• If the tool is a custom tool built by a third-party developer, the tool may not exist in a toolbox or a problem exists with the tool's implementation. In this case, the developer should be notified.

Solution

If a repair icon exists, the tool can be repaired by clicking the tool and relocating the tool or toolbox.

• For model tools, models can be repaired by opening the model and making changes within the model.
• For custom tools built by third-party developers, ensure that the custom tool (also known as a system tool) is added to a custom toolbox. If there appears to be a problem with the tool's implementation, contact the tool developer.