zlib error when trying to write many things in an async function

Code:

https://pastebin.com/RZjLU1WA

Error:

{ Error: unexpected end of file at Zlib.zlibOnError [as onerror] (zlib.js:164:17) at Inflate._processChunk (/home/branch/node_modules/pngjs/lib/sync-inflate.js:110:28) at zlibBufferSync (/home/branch/node_modules/pngjs/lib/sync-inflate.js:151:17) at inflateSync (/home/branch/node_modules/pngjs/lib/sync-inflate.js:155:10) at module.exports (/home/branch/node_modules/pngjs/lib/parser-sync.js:85:20) at Object.exports.read [as image/png] (/home/branch/node_modules/pngjs/lib/png-sync.js:10:10) at Jimp.parseBitmap (/home/branch/node_modules/@jimp/core/dist/utils/image-bitmap.js:196:53) at Jimp.parseBitmap (/home/branch/node_modules/@jimp/core/dist/index.js:431:32) at /home/branch/node_modules/@jimp/core/dist/index.js:373:15 at FSReqWrap.readFileAfterClose [as oncomplete] (internal/fs/read_file_context.js:53:3) errno: -5, code: 'Z_BUF_ERROR', methodName: 'constructor' }