Issued SSL doesnt work for child domain when document root pointing to main domain

@cybertech I have created a child domain on main site

For openlscheck.gk - vHost Conf > document root was updated to > /home/

site works fine. SSL show issued sucessfull through site management of child domain. Still ssl does not work for the child domain

2020-02-27 06:36:05.402060 [ERROR] [SSL] OCSP Stapling can’t be enabled [X509_STORE_CTX_get1_issuer failed!].