This usually happens on newer macOS versions. Configurator 1 is 32-bit code. It is impossible to run Configurator 1 on macOS Catalina (10.15), Big Sur, Monterey, Ventura, or Sonoma. You must run it on a Mac using High Sierra (10.13) or older.
Originally launched to replace the iPhone Configuration Utility , this version focused on bulk management of devices tethered via USB. apple configurator old version
The most reliable way to get an older version is through the Mac App Store's "Purchased" history "Purchase" the App on a Modern Mac: This usually happens on newer macOS versions