Hi Sir: I checked bme_user_updated.c, didn't find anything is incorrect, but I have one point to doubt that your timestamp is not appropriate. It is not the system timestamp, only the variable value you created, probably it can not be used as BSEC timpstamp. I share my source code which is STM32fF411 platform, it is similar with your bme_user_updated.c. Hopefully, it helps you.
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