getting a loop with lmstudio local server "Object not generated according to the schema, fallback to manual parsing"

Log:
Step 1 / Budget used 0.00%
Gaps: [ 'what is the capital of France?' ]
Object not generated according to the schema, fallback to manual parsing
undefined <- [search, answer, reflect]
{ answer: 'Paris' }
Waiting 1s...
Step 2 / Budget used 0.08%
Gaps: []
Object not generated according to the schema, fallback to manual parsing
undefined <- [search, answer, reflect]
{ answer: 'Paris' }
Waiting 1s...

model is qwen2.5-7b-instruct, identifier is same as in .env file. i think i need some example json schema for structured output, but idk where i can find it, help pls