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"AI_APICallError: Text content blocks must contain non-whitespace text" on /compact #1681
Description
I am running the Claude Pro Max model with Opencode. Whenever I try to run /compact , I get the error:
AI_APICallError: system: text content blocks must contain non-whitespace text
And this ruins the formatting of the opencode terminal so I have to restart the command prompt. Eventually this makes opencode unusable because the auto-compact doesn't seem to work either.
I think the error originates from node_modules/@ai-sdk/provider/dist/index.js:62:5 .
At least, that is the minimal error I can see in the messed up opencode terminal.
Any thoughts?
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[-]Text content blocks must contain non-whitespace text[/-][+]"AI_APICallError: Text content blocks must contain non-whitespace text" on /compact[/+]IshanArya commentedon Aug 14, 2025
Hi, @thdxr any idea why this might be happening so I can look into it? I really like Opencode but this bug makes it really hard to use.
I tried reinstalling Opencode and the issue persisted.
rekram1-node commentedon Aug 29, 2025
What model was this?
DxTa commentedon Oct 5, 2025
I got similar issue with Opus 4.1 via claude code subscription
rekram1-node commentedon Oct 5, 2025
can u share session?
RaphGod commentedon Oct 12, 2025
Hello, I've got que same problem. Build with GLM 4.6 = > 0K
when Plan Mode with Ko => AI_APICallError: messages: text content blocks must contain non-whitespace text
undo or quit and launch opencode => AI_APICallError: messages: text content blocks must contain non-whitespace text
Swap to Build mode => OK !
Swap to plan mode => KO ! AI_APICallError: messages: text content blocks must contain non-whitespace text
Swap to GLM in plan mode (instead of Claude Sonnet) ===> OK ! => make a plan => Build with GLM => Plan mode => talk with glm ok => swapto claude AI_APICallError: messages: text content blocks must contain non-whitespace text
It seems like the model Claude is fall ! But if you start a new session with Claude it is OK !
You go back to the falled session => KO : AI_APICallError: messages: text content blocks must contain non-whitespace text
The problem is in the session wich is corrupted.
RaphGod commentedon Oct 12, 2025
i can share session but not in public, tell me how I can send you
rekram1-node commentedon Oct 12, 2025
@RaphGod you can dm on discord or x if that works
RaphGod commentedon Oct 12, 2025
I sent you in X ! the first It blocked me , but the second I can :-) You can open private vunlerability in github to send private issue. Hope this will help.
IshanArya commentedon Oct 15, 2025
Hi I was using sonnet 4.1 before. However, with sonnet 4.5, when I call
/compact, the terminal gets stuck on:rekram1-node commentedon Oct 16, 2025
fix: d8a15e7
reise69 commentedon Oct 24, 2025
Hello,
I have configured the Haiku 4.5 model in default build. I am making my plan with a mixture of GLM 4.6 and Sonnet 4.5.
As soon as I switch back to build and launch the go for modifications, I get the error ‘messages: text content blocks must contain non-whitespace text’.
I only have this problem with Haiku 4.5.
Does anyone else have this problem? Thank you for your help.
rekram1-node commentedon Oct 24, 2025
@reise69 i know what caused your issue ill fix soon
IshanArya commentedon Oct 28, 2025
Awesome,
/compactis working now, thank you!777akot commentedon Jan 29, 2026
/undo until your message with whitespaces
feat(app): improve rename dialogs (anomalyco#1681)