Build failed. unknown: Error parsing package.json: Unexpected token in JSON at position 0
Author: AlirezaMahDevCreated Aug 8, 2022Updated Aug 25, 2026
Labels:bug: Bug:pray: Help WantedGood First Issue:heavy_check_mark: Confirmed Bug
bug report
Build failed.
unknown: Error parsing package.json: Unexpected token in JSON at position 0this bug for exist 77u/ char for utf8 file.
when save package.json with utf8 encoded added 77u/ char in first of content file.
parcel json parser need { char for first.
visual studio and many editor always sign utf8 file with 77u/
| Software | Version(s) |
|---|---|
| Parcel | 2.7.0 |
| Node | 18.7.0 |
| npm/Yarn | 8.15.0 |
| Operating System | windows 11 |
Source: parcel-bundler/parcel