Answer:
Step-by-step explanation:
The most logical explanation for Mr Blum pointing out the errors in the current report is to have them corrected.
He is NOT worried about the functionality of your team. because he has complimented you on your past analyses in previous reports. The only issue Mr Blum seems to have is with the current report.
There is also no information here to indicate that Mr Blum thinks that you are ready for a promotion.