TypeError: Cannot read property 'free' of undefined

[ValerioMarsala]

I have the following error reading this file:
error.pdf

TypeError: Cannot read property 'free' of undefined
at XRef_getEntry [as getEntry] (eval at (/node_modules/pdf2json/lib/pdf.js:62:1), :5704:16)
at XRef_fetch [as fetch] (eval at (/node_modules/pdf2json/lib/pdf.js:62:1), :5723:16)
at Catalog.get metadata [as metadata] (eval at (/node_modules/pdf2json/lib/pdf.js:62:1), :4932:30)
at LocalPdfManager_ensure [as ensure] (eval at (/node_modules/pdf2json/lib/pdf.js:62:1), :32512:22)
at LocalPdfManager.BasePdfManager_ensureCatalog [as ensureCatalog] (eval at (/node_modules/pdf2json/lib/pdf.js:62:1), :32459:19)
at Object.parseSuccess [as onResolve] (eval at (/node_modules/pdf2json/lib/pdf.js:62:1), :27114:42)
at Object.runHandlers (eval at (/node_modules/pdf2json/lib/pdf.js:62:1), :864:35)
at listOnTimeout (internal/timers.js:557:17)
at processTimers (internal/timers.js:500:7)
Cannot read property 'free' of undefined

pdfParser.on("pdfParser_dataError", errData => {
  reject(errData.parserError)
});
pdfParser.on("pdfParser_dataReady", pdfData => {
  //.....
})
pdfParser.loadPDF(path)