Loading dll files to MT5

[dyjeewantha]

Hi

I have expert advisor with .dll files please can some one tell me how to load that files to MT5.

[dyjeewantha]

error shows as below

2020.04.16 09:17:53.141    2020.01.01 00:00:00   Cannot call 'StartClientsI', 'dll4mt5.dll' is not loaded
2020.04.16 09:17:53.141    2020.01.01 00:00:00   unresolved import function call
2020.04.16 09:17:53.141    OnInit critical error
2020.04.16 09:17:53.141    tester stopped because OnInit failed