L5_tasks_event_planning - SerperDevTool._run() missing 1 required positional argument: 'search_query'

Short Course Q&A Multi AI Agent Systems with crewAI
1

I try to run the project with local ollama
sometimes it succeed and sometimes it fail

succeed

Action: Search the internet
Action Input:  { "search_query": "best conference venues for tech events san francisco" } 
Search results: Title: The 25 Best Event Venues in San Francisco - Bizzabo
Link: http...
Snippet: 15. Moscone ... The Moscone Center in San Francisco is a premier convention venue known for its large-scale capacity and modern facilities. It's ...

fail

>Entering new CrewAgentExecutor chain...
Thought: I need to find tech conference venues in San Francisco that can accommodate large events. 
Action: Search the internet
Action Input: {"string": "tech conference venues San Francisco large events"} 
I encountered an error while trying to use the tool. This was the error: SerperDevTool._run() missing 1 required positional argument: 'search_query'.
 Tool Search the internet accepts these inputs: Search the internet(search_query: 'string') - A tool that can be used to semantic search a query from a txt's content.

Does anyone know anything about that？