用cubemx生成的keil5,出现的错误，不知道这个错误怎么解决

新手wufu · 发表于 2021-4-24 21:28:19

compiling system_stm32f7xx.c...
Error: C9511E: Unable to determine the current toolkit. Check that ARM_TOOL_VARIANT is set correctly.
Check that your license details are correct in the License Management dialog of MDK. Additional information is available at:
http://www.keil.com/support/man/ ... ense_management.htm
If you need further help, provide this complete error report to your supplier or license.support@arm.com.
- ARMLMD_LICENSE_FILE: unset
- LM_LICENSE_FILE: unset
- ARM_TOOL_VARIANT: unset
- ARM_PRODUCT_PATH: unset
- Product location: product not found
- Toolchain location: C:\Keil_v5\ARM\ARMCC\Bin
- Selected tool variant: mdk_cm_pro
Product: unknown
Component: ARM Compiler 5.06 update 6 (build 750)
Tool: ArmCC [4d3637]
"LED\LED.axf" - 24 Error(s), 0 Warning(s).

求解。