Error: SHOP_PRIVATE_KEY not set while creating a coupon

[THEOGHANGMAN]

i am getting when i run the script

node scripts/create-coupon.js

Error: SHOP_PRIVATE_KEY not set
at file:///C:/Users/m/solana-pay-tutorial-start/scripts/create-coupon.js:17:9
at ModuleJob.run (node:internal/modules/esm/module_job:195:25)
at async Promise.all (index 0)
at async ESMLoader.import (node:internal/modules/esm/loader:337:24)
at async loadESM (node:internal/process/esm_loader:88:5)
at async handleMainPromise (node:internal/modules/run_main:61:12)

i do have my private key set = in the .env