ValueError: Tool VLSearchImage is not registered.

[small-code-cat]

Traceback (most recent call last):
File "/data/user0/PycharmProjects/DeepResearch-main/WebAgent/WebWatcher/test.py", line 12, in
main()
File "/data/user0/PycharmProjects/DeepResearch-main/WebAgent/WebWatcher/test.py", line 4, in main
agent = OmniSearchGraph()
^^^^^^^^^^^^^^^^^
File "/data/user0/PycharmProjects/DeepResearch-main/WebAgent/WebWatcher/infer/scripts_eval/agent_langgraph.py", line 137, in init
self.qwen_agent = Qwen_agent(function_list=['web_search', 'VLSearchImage','visit', 'code_interpreter'])
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/data/user0/PycharmProjects/DeepResearch-main/WebAgent/WebWatcher/infer/scripts_eval/mmrag_r1/llm_agent/qwen_tool_call.py", line 31, in init
super().init(function_list=function_list,
File "/data/user0/anaconda3/envs/webdancer/lib/python3.12/site-packages/qwen_agent/agent.py", line 65, in init
self._init_tool(tool)
File "/data/user0/anaconda3/envs/webdancer/lib/python3.12/site-packages/qwen_agent/agent.py", line 233, in _init_tool
raise ValueError(f'Tool {tool_name} is not registered.')
ValueError: Tool VLSearchImage is not registered.
I encountered this error when trying to run WebWather's eval.sh script. How can I fix it?