[2026/08/19 13:45:49] Failed to convert document: Error while parse server error: SyntaxError: Unexpected token ‘<’, “<h”… is not valid JSON
[2026/08/19 13:45:49] createFileForCertifiedFinalTranslation: Couldn’t write converted PDF file for “Beline-Thibaut_OCR_PR-4499ee60” - The “data” argument must be of type string or an instance of Buffer, TypedArray, or DataView. Received undefined. these are triggered by groupdocs conversion requests. the responses are html → which points toward some gateway error most likely. opic/Subject: DOCX conversion request failure
Details:
A big chunk of our requests to /conversion api are all of a sudden failing as of today, our logs showing:
[2026/08/19 13:45:49] Failed to convert document: Error while parse server error: SyntaxError: Unexpected token ‘<’, “<h”… is not valid JSON
[2026/08/19 13:45:49] createFileForCertifiedFinalTranslation: Couldn’t write converted PDF file for “Beline-Thibaut_OCR_PR-4499ee60” - The “data” argument must be of type string or an instance of Buffer, TypedArray, or DataView. Received undefined
This happens sporadically, there is no way for us to understand what is going wrong, other than that the responses seem to be invalid, possibly gateway errors.