info  - Creating an optimized production build
Failed to compile.

HookWebpackError: Expected a pseudo-class or pseudo-element.
    at makeWebpackError (/Users/eliot/Developer/eliothertenstein.com/node_modules/next/dist/compiled/webpack/bundle5.js:28:308185)
    at /Users/eliot/Developer/eliothertenstein.com/node_modules/next/dist/compiled/webpack/bundle5.js:28:105236
    at eval (eval at create (/Users/eliot/Developer/eliothertenstein.com/node_modules/next/dist/compiled/webpack/bundle5.js:13:28771), <anonymous>:34:1)
-- inner error --
Error: Expected a pseudo-class or pseudo-element.
    at /Users/eliot/Developer/eliothertenstein.com/static/css/66780ddc5f37cb3b.css:906:3
    at Root._error (/Users/eliot/Developer/eliothertenstein.com/node_modules/next/dist/compiled/cssnano-simple/index.js:190:78465)
    at Root.error (/Users/eliot/Developer/eliothertenstein.com/node_modules/next/dist/compiled/cssnano-simple/index.js:190:124360)
    at Parser.error (/Users/eliot/Developer/eliothertenstein.com/node_modules/next/dist/compiled/cssnano-simple/index.js:190:86811)
    at Parser.expected (/Users/eliot/Developer/eliothertenstein.com/node_modules/next/dist/compiled/cssnano-simple/index.js:190:93145)
    at Parser.pseudo (/Users/eliot/Developer/eliothertenstein.com/node_modules/next/dist/compiled/cssnano-simple/index.js:190:89313)
    at Parser.parse (/Users/eliot/Developer/eliothertenstein.com/node_modules/next/dist/compiled/cssnano-simple/index.js:190:92668)
    at Parser.loop (/Users/eliot/Developer/eliothertenstein.com/node_modules/next/dist/compiled/cssnano-simple/index.js:190:92233)
    at new Parser (/Users/eliot/Developer/eliothertenstein.com/node_modules/next/dist/compiled/cssnano-simple/index.js:190:78322)
    at Processor._root (/Users/eliot/Developer/eliothertenstein.com/node_modules/next/dist/compiled/cssnano-simple/index.js:190:95242)
    at Processor._runSync (/Users/eliot/Developer/eliothertenstein.com/node_modules/next/dist/compiled/cssnano-simple/index.js:190:95749)
caused by plugins in Compilation.hooks.processAssets
Error: Expected a pseudo-class or pseudo-element.
    at /Users/eliot/Developer/eliothertenstein.com/static/css/66780ddc5f37cb3b.css:906:3
    at Root._error (/Users/eliot/Developer/eliothertenstein.com/node_modules/next/dist/compiled/cssnano-simple/index.js:190:78465)
    at Root.error (/Users/eliot/Developer/eliothertenstein.com/node_modules/next/dist/compiled/cssnano-simple/index.js:190:124360)
    at Parser.error (/Users/eliot/Developer/eliothertenstein.com/node_modules/next/dist/compiled/cssnano-simple/index.js:190:86811)
    at Parser.expected (/Users/eliot/Developer/eliothertenstein.com/node_modules/next/dist/compiled/cssnano-simple/index.js:190:93145)
    at Parser.pseudo (/Users/eliot/Developer/eliothertenstein.com/node_modules/next/dist/compiled/cssnano-simple/index.js:190:89313)
    at Parser.parse (/Users/eliot/Developer/eliothertenstein.com/node_modules/next/dist/compiled/cssnano-simple/index.js:190:92668)
    at Parser.loop (/Users/eliot/Developer/eliothertenstein.com/node_modules/next/dist/compiled/cssnano-simple/index.js:190:92233)
    at new Parser (/Users/eliot/Developer/eliothertenstein.com/node_modules/next/dist/compiled/cssnano-simple/index.js:190:78322)
    at Processor._root (/Users/eliot/Developer/eliothertenstein.com/node_modules/next/dist/compiled/cssnano-simple/index.js:190:95242)
    at Processor._runSync (/Users/eliot/Developer/eliothertenstein.com/node_modules/next/dist/compiled/cssnano-simple/index.js:190:95749)


> Build failed because of webpack errors
error Command failed with exit code 1.
info Visit https://yarnpkg.com/en/docs/cli/run for documentation about this command.