Not working at all

[khanakia]

followed this half baked tutorial https://sdk.vercel.ai/docs/guides/natural-language-postgres#explain-sql-queries
and getting the below error
.env

OPENAI_API_KEY="your_api_key_here"
POSTGRES_URL="postgresql://postgres:[email protected]:5432/ai_vercel_postgresdb?sslmode=require"
POSTGRES_PRISMA_URL="postgresql://postgres:[email protected]:5432/ai_vercel_postgresdb?sslmode=require"
POSTGRES_URL_NO_SSL="postgresql://postgres:[email protected]:5432/ai_vercel_postgresdb?sslmode=require"
POSTGRES_URL_NON_POOLING="postgresql://postgres:[email protected]:5432/ai_vercel_postgresdb?sslmode=require"
POSTGRES_USER="postgres"
POSTGRES_HOST="127.0.0.1"
POSTGRES_PASSWORD="postgres"
POSTGRES_DATABASE="ai_vercel_postgresdb"

➜  natural-language-postgres git:(live) pnpm run seed


> [email protected] seed /Volumes/D/khanakia/Downloads/natural-language-postgres
> tsx lib/seed.ts

VercelPostgresError: VercelPostgresError - 'invalid_connection_string': This connection string is meant to be used with a direct connection. Make sure to use a pooled connection string or try `createClient()` instead.
    at createPool (/Volumes/D/khanakia/Downloads/natural-language-postgres/node_modules/.pnpm/@[email protected][email protected]/node_modules/@vercel/postgres/src/create-pool.ts:95:11)
    at Object.apply (/Volumes/D/khanakia/Downloads/natural-language-postgres/node_modules/.pnpm/@[email protected][email protected]/node_modules/@vercel/postgres/src/index.ts:39:16)
    at seed (/Volumes/D/khanakia/Downloads/natural-language-postgres/lib/seed.ts:20:29)
    at csv (/Volumes/D/khanakia/Downloads/natural-language-postgres/lib/seed.ts:73:1)
    at Object.<anonymous> (/Volumes/D/khanakia/Downloads/natural-language-postgres/lib/seed.ts:73:27)
    at Module._compile (node:internal/modules/cjs/loader:1565:14)
    at Object.transformer (/Volumes/D/khanakia/Downloads/natural-language-postgres/node_modules/.pnpm/[email protected]/node_modules/tsx/dist/register-DCnOAxY2.cjs:2:1186)
    at Module.load (node:internal/modules/cjs/loader:1318:32)
    at Function._load (node:internal/modules/cjs/loader:1128:12)
    at TracingChannel.traceSync (node:diagnostics_channel:322:14) {
  code: 'invalid_connection_string'
}

[nicoalbanese]

Did you include ?sslmode=require at the end of your connection string?