Timeout waiting for connection from pool

POST https://dxp-webcarconfig.toyota-europe.com/v1/BuildAndBuy/pl/pl?path=customize/aed6cffc-96a7-4068-806e-be22ce401878/c7713cd7-864d-435d-baa2-2c281db88120&c=b4da34a1-391c-4b57-a153-13ac02e8da7f