mirror of
https://github.com/PlaceholderAPI/PlaceholderAPI
synced 2024-11-18 00:46:55 +01:00
41 lines
1.7 KiB
Markdown
41 lines
1.7 KiB
Markdown
---
|
|
description: List of common issues and how to solve them.
|
|
---
|
|
|
|
# Common Issues
|
|
|
|
This page lists common issues you may encounter with PlaceholderAPI and how you can solve them.
|
|
|
|
If you have more questions, feel free to join the [Discord Server](https://discord.gg/helpchat).
|
|
|
|
## `java.lang.NoClassDefFoundError: com/google/gson/Gson`
|
|
|
|
If you encounter an issue such as
|
|
|
|
```
|
|
org.bukkit.plugin.InvalidPluginException: java.lang.NoClassDefFoundError: com/google/gson/Gson
|
|
```
|
|
|
|
does it mean that the Server you're using PlaceholderAPI on does not have Gson included.
|
|
This is often the case for servers running 1.8 or older. To fix this, make sure to use at least 1.8.8 as that version does include the required dependency.
|
|
|
|
## Expansions won't work
|
|
|
|
If one or multiple expansions don't work, make sure you checked the following:
|
|
|
|
- You executed `/papi reload` after downloading the expansion(s).
|
|
- Any required plugin is installed and enabled.
|
|
- The expansion is valid (See next sections).
|
|
|
|
## `Failed to load expansion class <expansion> ...`
|
|
|
|
### `- One of its properties is null which is not allowed`
|
|
|
|
When this error appears does it mean that either `getAuthor()`, `getIdentifier()` or `getVersion()` in the expansion return `null` which is not allowed.
|
|
In such a case, contact the developer of the expansion and inform them about this issue and that it should be fixed.
|
|
|
|
### `(Is a dependency missing?)`
|
|
|
|
This error is given whenever the expansion cannot be loaded, which often happens due to a missing dependency (required plugin) or because creating an expansion instance failed.
|
|
|
|
The only thing you can do is to provide the full error so that we can check if the issue is caused by PlaceholderAPI (More unlikely) or by the expansion. |