You run a search in Perplexity Pro and get an answer but no source citations appear below it. This can happen with complex queries, after a long conversation thread, or when the AI fails to extract reliable references from its search results. The issue is not a permanent bug but a behavior triggered by specific … Read more
You have a valid Perplexity API key, but your requests return empty or null answers. The API call succeeds without an error, yet the response contains no content. This problem often occurs due to missing or incorrect parameters in the request body or headers. This article explains the root causes and provides step-by-step fixes to … Read more
You create a Perplexity Collection to organize your research threads, but the threads you add disappear after you close the browser or refresh the page. This problem occurs when the browser’s local storage becomes corrupted or when the user account sync fails to write thread metadata to Perplexity’s servers. This article explains the root cause … Read more
You are trying to export a Perplexity Page to PDF and the button does nothing, or the export fails without warning. This problem usually happens because the browser blocks pop-ups for Perplexity or because the page content contains unsupported elements that break the export process. This article explains why the export fails and provides step-by-step … Read more
You try to upload a large PDF to Perplexity, but the upload fails with no clear error message. This problem occurs because Perplexity enforces a strict file size limit on uploaded documents, typically 25 MB per file. This article explains the exact file size cap, why Perplexity imposes this limit, and how to work around … Read more
You ask Perplexity a question and get a well-cited answer. But when you click a source link, the page fails to load. The browser shows an error or a blank screen. This problem makes Perplexity less useful because you cannot verify the information. The root cause is often a misconfigured URL or a restriction on … Read more
You upload a spreadsheet to Perplexity and ask it to analyze the data. Instead of a summary or calculations, you get an error or empty results. This happens because Perplexity’s file search feature has strict file format and size limits that many common spreadsheet files do not meet. This article explains the root cause of … Read more
When you add sources to a Perplexity Space, you expect all team members to see and use them. But sometimes those sources remain invisible to collaborators. This happens because the Space owner has not granted explicit view or edit permissions for the source folder, or the sources were added using a method that bypasses the … Read more
If you use Perplexity Collections to organize your research threads, you may notice the threads appear in a confusing sequence. Instead of showing the most recent thread at the top, the list may display old threads first or seem randomly sorted. This happens because Perplexity offers multiple sort options and the default setting may not … Read more
You switched Perplexity to YouTube Focus to get a summary of a long video, but the tool returns an error, a blank response, or an incomplete text. This failure usually happens because the YouTube video lacks a transcript, uses an unsupported format, or the Focus setting is applied incorrectly. Perplexity relies on the video transcript … Read more