BuildError: @hellhub-collective/cli fails to build

[fabio-nettis]

Package name

@hellhub-collective/cli@1.2.4

Entire (stringified) error that I see in my browser console

"main.bundle.js from Terser
Private field must be used in an enclosing class [main.bundle.js:61,0]
    at js_error (/var/www/bundlephobia/node_modules/terser/dist/bundle.min.js:545:11)
    at croak (/var/www/bundlephobia/node_modules/terser/dist/bundle.min.js:1269:9)
    at statement (/var/www/bundlephobia/node_modules/terser/dist/bundle.min.js:1377:17)
    at _embed_tokens_wrapper (/var/www/bundlephobia/node_modules/terser/dist/bundle.min.js:1334:26)
    at block_ (/var/www/bundlephobia/node_modules/terser/dist/bundle.min.js:2173:20)
    at _function_body (/var/www/bundlephobia/node_modules/terser/dist/bundle.min.js:2085:21)
    at function_ (/var/www/bundlephobia/node_modules/terser/dist/bundle.min.js:1727:20)
    at expr_atom (/var/www/bundlephobia/node_modules/terser/dist/bundle.min.js:2518:24)
    at maybe_unary (/var/www/bundlephobia/node_modules/terser/dist/bundle.min.js:3405:19)
    at expr_ops (/var/www/bundlephobia/node_modules/terser/dist/bundle.min.js:3456:24)"