why do we get error "no space left for creating initramfs. Clean up /boot partition and re-run" ?

Issue

Unable to create the initramfs getting the below error while running the command yum install -y kernel

/usr/bin/find: line 1: 0: command not found
/usr/bin/find: line 2: syntax error near unexpected token `('
/usr/bin/find: line 2: `Sep  8 14:21:09 PRD8416 goferd[1170]: [WARNING][pulp.agent.1d31888a-1cda-453c-bf66-d27108093fba] gofer.messaging.adapter.proton.reliability:54 - Connection amqps://prd8018.pai.tchile.local:5647 disconnected: Condition('amqp:resource-limit-exceeded', 'local-idle-timeout expired')'
/sbin/dracut@1685(): dfatal 'dracut: creation of /boot/initramfs-3.10.0-1127.el7.x86_64.img failed'