Sorry my bad, Please find the error below while trying to configure openldap, 

<= str2entry: str2ad(olcDbMaxSize): attribute type undefined
slapadd: could not parse entry (line=665)
Closing DB...



From: Michael Ströder <michael@stroeder.com>
Sent: Wednesday, September 22, 2021 5:52:03 PM
To: openldap-technical@openldap.org
Subject: Re: Failing while Configuring the OpenLDAP
 
On 9/22/21 12:39, Challa N Kumar Reddy wrote:
> c. navigate to /u01/ldap and executed the command below,
> sbin/slapadd -n 0 -F /u01/ldap/etc/slapd.d -l /u01/ldap/etc/openldap/slapd.ldif
>
> But getting an error message issue the above command

As I've already asked you before in the ticket you've filed: Add the
actual error message you're seeing because nobody has a crystal ball to
guess what's going on.

> Also , the next step is to start the slapd service but It seems like
> I couldn't start the service as shown in the below screenshot
Please don't post screenshots. Rather copy&paste terminal messages in
your e-mail. This makes reading easier and allows search engines to
properly index list postings.

Ciao, Michael.