mysql - PHP Application Syncing DBs not working after ldap updated to 2.4.47

After my Debian Server did the following updates:
(Reading database ... 118558 files and directories currently installed.)
Preparing to unpack .../libldap2-dev_2.4.47+dfsg-3+deb10u5_amd64.deb ...
Unpacking libldap2-dev:amd64 (2.4.47+dfsg-3+deb10u5) over (2.4.47+dfsg-3+deb10u4) ...
Preparing to unpack .../ldap-utils_2.4.47+dfsg-3+deb10u5_amd64.deb ...
Unpacking ldap-utils (2.4.47+dfsg-3+deb10u5) over (2.4.47+dfsg-3+deb10u4) ...
Preparing to unpack .../libldap-2.4-2_2.4.47+dfsg-3+deb10u5_amd64.deb ...
Unpacking libldap-2.4-2:amd64 (2.4.47+dfsg-3+deb10u5) over (2.4.47+dfsg-3+deb10u4) ...
Setting up libldap-2.4-2:amd64 (2.4.47+dfsg-3+deb10u5) ...
Setting up ldap-utils (2.4.47+dfsg-3+deb10u5) ...
Setting up libldap2-dev:amd64 (2.4.47+dfsg-3+deb10u5) ...
Processing triggers for man-db (2.8.5-2) ...
Processing triggers for libc-bin (2.28-10) ...
my application that syncs data from two mariadb databases stopped working properly. It can read data but seems not writing. The file that connects to SQL: https://pastebin.com/w9pxevnL
I get no error at the logs. Any idea?
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