RRD Graphs not showing

After upgrading php from version 5.6 to 7.2, the rrd graphics are no longer working.
When executing the rrd command that runs to generate the graph, the command is successfully executed.
Follows system information

o OS FreeBSD GENERIC [amd64] ( 11.3-RELEASE-p9)
o Apache 2.4.43
o PHP 7.2.31 (OPcache: DISABLED)
o Python 3.7.7
o MySQL 5.7.30-log (extension: mysqli 5.0.12-dev)
o SNMP NET-SNMP 5.7.3
o RRDtool 1.7.2
o Fping 4.2 (IPv4 and IPv6)