plugin not full work on old minecraft version

[disqetow]

Some item cant show to discord channel, like fish rod
mc version: 1.12.2
plugin: all lastest (interactivechat、interactivechatdiscord、discordsrv、protocollib)

[00:11:46] [Log4j2-TF-1-AsyncLogger[AsyncContext@2b9627bc]-1/INFO]: <oder> [Fishing Rod]
[00:11:46] [Craft Scheduler Thread - 16/WARN]: [InteractiveChatDiscordSRVAddon] Plugin InteractiveChatDiscordSrvAddon v4.2.16.0 generated an exception while executing task 627
java.lang.NoClassDefFoundError: org/bukkit/entity/TropicalFish$Pattern
	at com.loohp.interactivechatdiscordsrvaddon.utils.FishUtils.<clinit>(FishUtils.java:39) ~[?:?]
	at com.loohp.interactivechatdiscordsrvaddon.utils.ItemRenderUtils.processItemForRendering(ItemRenderUtils.java:439) ~[?:?]
	at com.loohp.interactivechatdiscordsrvaddon.graphics.ImageGeneration.getRawItemImage(ImageGeneration.java:829) ~[?:?]
	at com.loohp.interactivechatdiscordsrvaddon.graphics.ImageGeneration.getSingleRawItemImage(ImageGeneration.java:813) ~[?:?]
	at com.loohp.interactivechatdiscordsrvaddon.graphics.ImageGeneration.getItemStackImage(ImageGeneration.java:265) ~[?:?]
	at com.loohp.interactivechatdiscordsrvaddon.utils.DiscordContentUtils.createContents(DiscordContentUtils.java:127) ~[?:?]
	at com.loohp.interactivechatdiscordsrvaddon.listeners.OutboundToDiscordEvents.handleSelfBotMessage(OutboundToDiscordEvents.java:865) ~[?:?]
	at com.loohp.interactivechatdiscordsrvaddon.listeners.OutboundToDiscordEvents.access$100(OutboundToDiscordEvents.java:142) ~[?:?]
	at com.loohp.interactivechatdiscordsrvaddon.listeners.OutboundToDiscordEvents$JDAEvents.lambda$onMessageReceived$0(OutboundToDiscordEvents.java:1008) ~[?:?]
	at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftTask.run(CraftTask.java:64) ~[patched_1.12.2.jar:git-Paper-1620]
	at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:52) ~[patched_1.12.2.jar:git-Paper-1620]
	at com.destroystokyo.paper.ServerSchedulerReportingWrapper.run(ServerSchedulerReportingWrapper.java:22) ~[patched_1.12.2.jar:git-Paper-1620]
	at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) ~[?:?]
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) ~[?:?]
	at java.lang.Thread.run(Unknown Source) [?:?]
Caused by: java.lang.ClassNotFoundException: org.bukkit.entity.TropicalFish$Pattern
	at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:109) ~[patched_1.12.2.jar:git-Paper-1620]
	at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:104) ~[patched_1.12.2.jar:git-Paper-1620]
	at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:?]
	at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:?]
	... 15 more

[disqetow]

new issue in 1.12.2, some image not work like grass

[LOOHP]

Only some of them not work? So some of them do?

[disqetow]

(already fix on new plugin version)

most can be used, only a few cannot be used
after testing I find these item have issue: tallgrass、clownfish
not sure there have another item have issue.

[LOOHP]

Superceeded by #71