Error Codes

Complete catalogue of error codes returned by VIESUS interfaces — CLI exit codes, PDF Enhancer error codes, and Node.js module return codes.

Each VIESUS interface returns its own set of error codes. Pick the interface below, then look up the specific code on its reference page.

For symptom-based troubleshooting (when you don't have a specific code), see Troubleshooting.

CLI Exit Codes

Exit codes from the image-enhancement engine — general, processing, scene/AI, and license/GUID errors.

PDF Enhancer Error Codes

Error codes from the PDF Enhancer's XML processing report — system, file-system, PDF processing, trigger, and cropping errors.

Node.js Error Codes

Return codes from the Node.js module — positive values are processing times in ms, negative values indicate errors.