Error: C9555E: Failed to check out a license.The license file could not be found. Check that ARMLMD_LICENSE_FILE is set correctly.
Arm Compiler 5 is very old, and does not support the latest licensing technology.
You can generate a legacy format license with MDK Professional, as described below.
https://developer.arm.com/documentation/102516/1-3/User-based-licensing-overview/Backwards-compatibility