© 2026 Hedgehog Software, LLC

TwitterGitHubDiscord
More
CommunitiesDocsAboutTermsPrivacy
Search
Star
Setup for Free
The Iris ProjectTIP
The Iris Project•10mo ago•
19 replies
RADEON

Iris doesnt want to load any shader

idk why, but it outputs an error into the chat :
net.minecraft.server.ChainedJsonException: Invalid shaders/core/basic.json: Non [a-z0-9/._-] character in path of location: minecraft:basic_tessControl.tcs
net.minecraft.server.ChainedJsonException: Invalid shaders/core/basic.json: Non [a-z0-9/._-] character in path of location: minecraft:basic_tessControl.tcs

my modlist here:
https://gnomebot.dev/paste/mclogs/XNNK918
Solution
i found the mod that stops the shader from loading
Jump to solution
The Iris Project banner
The Iris ProjectJoin
This server is all about the development and community around Iris Shaders!
71,314Members
Resources

Similar Threads

Was this page helpful?
Recent Announcements

Similar Threads

Iris failed to load shader!
The Iris ProjectTIPThe Iris Project / iris-issues
2y ago
Unable to load my favorite shader on iris :/
The Iris ProjectTIPThe Iris Project / iris-issues
3y ago
Iris crashes when i load a shader
The Iris ProjectTIPThe Iris Project / iris-issues
3y ago
Iris 1.6.4 works fine, but cannot load any shader
The Iris ProjectTIPThe Iris Project / iris-issues
3y ago