Help fix a very long system boot and bug on 10.15.7

Hello. Riveted EFI based on OpenCore 0.6.2 for a computer with the following specifications:
Intel core i5 3475s
MSI H61-p31-g3
rx550 2g
DDR3 8Gb 1600
SSD Samsung 970 EVO PLUS 256GB
Collected for Catalina 10.15.7

In general, the system was installed, everything seems to be functioning, but there is one problem. the system boots in about 2-3 minutes.
OpenCore reports an error, hangs on it for 2 minutes, but still loads and works. Also he talks about error 8877652
Here is a photo of the...

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