ds2020 安裝license后報錯，錯誤如下

Error: C9511E: Unable to determine the current toolkit. Check that ARM_TOOL_VARIANT is set correctly.
ARM Compiler could not determine the product installation it is part of. You might be able to resolve this by reinstalling the tools, or ensuring that ARM_TOOL_VARIANT and ARM_PRODUCT_PATH are set appropriately.
Information about this error is available at: http://ds.arm.com/support/lic86
General licensing information is available at: http://ds.arm.com/support/licensing/
If you need further help, provide this complete error report to your supplier or license.support@arm.com.

 解決方案；修改環(huán)境變量

修改

setenv ARM_TOOL_VARIANT ult

為

setenv ARM_TOOL_VARIANT gold

重新加載后測試

問題解決