Search
Star
Feedback
Setup for Free
© 2026 Hedgehog Software, LLC
Twitter
GitHub
Discord
System
Light
Dark
More
Communities
Docs
About
Terms
Privacy
Extension runtime is not available - 🧩 Plasmo Developers
�PD
🧩 Plasmo Developers
•
3y ago
•
2 replies
Wellington Capoia
Extension runtime is not available
Hi when i try to send a message from a CSUI to a background throws an error
"rror
: Extension runtime is not available
"
How do I communicate from a csui with the rest of the application
?
🧩 Plasmo Developers
Join
2,796
Members
View on Discord
Resources
ModelContextProtocol
ModelContextProtocol
MCP Server
Similar Threads
Was this page helpful?
Yes
No
Similar Threads
Error building extension
�PD
🧩 Plasmo Developers / 👟framework
2y ago
Extension Network Question
�PD
🧩 Plasmo Developers / 👟framework
3y ago
Multiple browser extension pages?
�PD
🧩 Plasmo Developers / 👟framework
3y ago