Top Exam Photo & Signature Upload Errors and How to Fix Them Instantly
A comprehensive troubleshooting manual explaining official server rejection error codes and instant fixes using StudyBudyAI.
By Sheetal Singh
Reviewed by Technical Application Scrutiny Cell
⏱️ 6 min read
Official Calibration Tool
Photo Resizer
Top 5 Upload Errors and Their Immediate Solutions
Error 1: "File Size Must Be Between 20 KB and 50 KB" — Caused by submitting a 51 KB or 19 KB file. Fix: Calibrate to 35 KB using StudyBudyAI.
Error 2: "Image Dimensions Do Not Match Required Ratio" — Caused by uploading non-standard dimensions. Fix: Crop to exact 350×450 px or 140×60 px.
Error 3: "Invalid File Format: Only JPEG/JPG Allowed" — Caused by uploading WebP, PNG, or HEIC files. Fix: Convert to standard JPG format.
Portal Error Diagnostic Matrix
| Portal Error Code | Root Cause | Immediate 1-Click Fix |
|---|---|---|
| ERR_SIZE_LIMIT | File exceeds maximum KB ceiling | Use StudyBudyAI Photo Resizer preset |
| ERR_ASPECT_RATIO | Stretched or non-conforming dimensions | Apply exact pixel crop preset |
| ERR_INVALID_MIME | PNG, WebP, or HEIC format uploaded | Use Format Converter to export pure JPG |
| ERR_FACE_NOT_FOUND | Lighting too dim or side profile | Re-center portrait with 75% face coverage |
Frequently Asked Questions
Why does the portal say "Invalid Image Format" when my file is .jpg?
Some devices simply rename a PNG or WebP file extension to .jpg without converting the internal binary encoding. Use StudyBudyAI to re-encode the file cleanly into true JPEG format.