Can you give me the version of the CubeIDE/MX that you are using. As a temporary workaround, you may open your project directly from the STM32CubeWB/Projects at master · STMicroelectronics/STM32CubeWB (github.com) after downloading it from the ST Website (V1.19.x). I don't have this issue on my side using the CubeMX V6.11.1.
Best Regards.
STTwo-32
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I'm able to reproduce this issue on my side using on the same environment. I've escalated to the concerned team for more investigation (under internal ticket number 184419).
Best Regards.
STTwo-32
To give better visibility on the answered topics, please click on Accept as Solution on the reply which solved your issue or answered your question.