Error: PineconeClient: Project name not set

Downloaded GitHub - mayooear/gpt4-pdf-chatbot-langchain: GPT4 & LangChain Chatbot for large PDF docs

When I try to run the app, I get following error

PineconeClient: Error getting project name: TypeError: fetch failed

error - [Error: PineconeClient: Project name not set. Call init() first.] {
page: ‘/api/chat’
}

My node version is node -v
v18.15.0
Pinecone version is
@pinecone-database/pinecone”: “^0.0.10”,

Please help