Validation.cpp is not finished yet. We have a problem with SEGWIT. It cannot work at height 1. So in the beginning, we need to disable some

1)IsNullDummyEnabled has the same problem, do the same to that function return true/


2)If ccminer cannot mine, then you can use my fixed version here: https://github.com/NicolasChoukroun/stratum

[/quote]

In the latest version I do not find a function IsNullDummyEnabled
1) to replace the return
2) I do not find C ++ stratum files for change
3) After compiling the QT wallet, the nodes are well connected and the sync is finished the tick in the lower right corner, but
in console command result 

getblocktemplate
= Bitcoin core is in initial sync and waiting for blocks code -10

but still still problems solo mining in yiimp pool issues the same synchronization error for added coin..

Stratum server issues a message - unknown method getblocktemplate 192.168.0.104
-
started easymainer on 192.168.0.4  issues a message
2 miner theads started using sha25 algo
HTTP request failed
json_rpc_call failed 

Please advise how to how to solve these problems??
 i need solo mininig on cpu for my cloned version & remove the synchronization error in the new Bitcoin core 21.99