Check the Arnold Log - Arnold User Guide

You want to see what clm error is in the Arnold log.

If you see this error:

[clm] generic license checkout error (22)

then you need to check the Adlm.log

Here's how to get an Arnold log, and how to get additional Autodesk licensing diagonstics:

• C4DtoA: Checking the Arnold Log
• Check the licensing diagnostics

Here's some of the errors you might see the Arnold log:

• tcp_s is bad!!! Exiting
• [clm] Product Key Not Found (44)
• [clm] product information file not found (45)
• [clm] license server was not set (51)
• [clm] generic license checkout error (22)