【keil最新版本5.39 使用arm compile v5.06时出现license错误，但先是安装v5.06再进行破解，有没有人使用这个版本出现类似问题 ARM_TOOL_VARIANTis s_unable to determine the current toolkit

Error: C9511E: Unable to determine the current toolkit. Check that ARM_TOOL_VARIANT is set correctly.

1 arm compile版本5.06

2 keil版本

3 错误信息

ARMLMD_LICENSE_FILE: ‘32KYW-QC8VB-ITG3R-KWYTQ-EDBAT-I6K3B’

• LM_LICENSE_FILE: unset
• ARM_TOOL_VARIANT: unset
• ARM_PRODUCT_PATH: unset
• Product location: product not found
• Toolchain location: D:\KEIL\ARM\ARMCC\ARMCompiler_506_Windows_x86_b960\Installer\Bin
• Selected tool variant: mdk_std
  Product: unknown
  Component: ARM Compiler 5.06 update 7 (build 960)
  Tool: ArmCC [4d365d]
  “.\Objects\example.axf” - 28 Error(s), 0 Warning(s).

4 license信息