RPG Maker MV is a powerful game engine that allows users to create custom role-playing games, but errors can sometimes occur within the game engine during development. One frequent error message is "Undefined is not a Function."
Causes for an Undefined is Not a Function Error
The error message itself does not provide enough information for developers to understand why it occurs. Some possible causes for this error in the RPG Maker MV engine include:
- Attempting to call a function that doesn't exist, such as a non-existent plugin.
- Installing a plugin that doesn't exist or is not compatible with the version of RPG Maker MV you're using.
- A typo in the function name.
- Scripts that conflict with each other.
Steps to Fix the Error
If you see "Undefined is Not a Function" when testing your RPG Maker MV game, follow the steps below to fix the issue.
Make sure the plugin or script you're trying to call is compatible with the version of RPG Maker MV you're using.
Check for typos in the plugin file names and in the code by carefully reviewing each line.
Remove any unnecessary scripts or plugins.
If the issue persists, try reverting to an earlier version of the game or the plugin in question.
If the error persists, contact the authors of the plugins/scripts you're using for help.
FAQ
Q: What does the "Undefined is not a Function" error mean?
A: This error occurs when your RPG Maker MV game tries to call a function that does not exist. It can also occur when you have conflicting scripts or plugins in your game.
Q: How can I fix the "Undefined is not a Function" error?
A: The first step is to make sure that the plugin or script you're trying to call is compatible with the version of RPG Maker MV you're using. Check for typos in the plugin file names and in the code, and remove any unnecessary scripts or plugins. If the issue persists, try reverting to an earlier version of the game or the plugin in question. If the error persists, contact the authors of the plugins/scripts you're using for help.
Resources
Rpg Maker Mv - “Undefined is not a Function” Error—Discussion on the 3D Game Maker forum about the "Undefined is not a Function" error.
Plugin Troubleshooting Guide—A comprehensive guide to troubleshooting RPG Maker MV plugins.
Troubleshooting Plugins - The RPG Maker Wiki—Discussion on the RPG Maker Wiki about troubleshooting plugins.