HEN failure restart ps3 and retr

Hello Homebrew members,

Today I installed HEN and went to the page and clicked **Initialize HEN installer** which went successful but when I click on **Install HEN** it shows the following error: **HEN failure restart ps3 and retry**

Checkmemory 00000000000
NaN

I restarted my PS3 but the same error appears (I also tried the alternative way).

The alternative way shows the following error: You must install hybrid firmware before installing HEN.

I also sometimes get the following error...

HEN failure restart ps3 and retr