[BUG] Bad request errror at the SearxngSearch Tool

[seonghobae]

Describe the bug
A clear and concise description of what the bug is.
SearxngSearch Tool shows Bad request error even I set tool properly.

To Reproduce
Steps to reproduce the behavior:

1. Go to Searxng tool
2. Link with worker
3. Run with Query
4. See error

Expected behavior
A clear and concise description of what you expected to happen.
Working without bad requests error.

Screenshots
If applicable, add screenshots to help explain your problem.

Flow
For security reason, I can't export this.

Setup

• Installation: Docker
• Flowise Version: 81918d5e3ccd
• OS: Linux
• Browser: Safari, Edge

Additional context
Add any other context about the problem here.
Searxng always works correctly.

[genwch]

same here. attached error captured from langsmith
same issue on version 1.8.4 & 1.8.3

`BAD REQUEST

Error: BAD REQUEST
at SearxngSearch._call (/usr/local/lib/node_modules/flowise/node_modules/@langchain/community/dist/tools/searxng_search.cjs:120:19)
at process.processTicksAndRejections (node:internal/process/task_queues:95:5)
at async SearxngSearch.call (/usr/local/lib/node_modules/flowise/node_modules/@langchain/core/dist/tools.cjs:78:22)
at async /usr/local/lib/node_modules/flowise/node_modules/flowise-components/dist/src/agents.js:315:39
at async Promise.all (index 0)
at async AgentExecutor._call (/usr/local/lib/node_modules/flowise/node_modules/flowise-components/dist/src/agents.js:302:30)
at async AgentExecutor.invoke (/usr/local/lib/node_modules/flowise/node_modules/langchain/dist/chains/base.cjs:58:28)
at async ConversationalAgent_Agents.run (/usr/local/lib/node_modules/flowise/node_modules/flowise-components/dist/nodes/agents/ConversationalAgent/ConversationalAgent.js:119:19)
at async utilBuildChatflow (/usr/local/lib/node_modules/flowise/dist/utils/buildChatflow.js:258:15)
at async createInternalPrediction (/usr/local/lib/node_modules/flowise/dist/controllers/internal-predictions/index.js:7:29) `

[VoxBG]

I also received BAD REQUEST from searxng until I set Language, Page No. and Safe Search in Additional Parameters in SearXNG in flowise UI.

[kstan79]

how you guys make it working, it seems not fire at my side

[HenryHengZJ]

Fixed in this PR: #3263